Drink whenever a female character comes on to Amaro.
Two drinks if they invoke the Latin Lover stereotype.
Finish the bottle if a male character does.
Drink whenever Amaro uses Blatant Lies while interrogating a perp.
Drink whenever Amaro faces professional consequences for something Stabler would've gotten away with scot-free.
Dominick "Sonny" Carisi
Drink whenever Carisi puts his foot in his mouth.
If Carisi does something clever that actually helps the case, finish the bottle (only for season 16).
Drink once every time Carisi interacts with a child/children.
Drink once every time Carisi mentions a relative/his family.
Drink once every time Carisi is openly religious.
Drink whenever Carisi is the devil's advocate of the group.
Take another drink if doing so eventually turns the case upside down.
Assistant District Attorneys
General:
Finish your bottle whenever the ADA has to fight over jurisdictional rights to a case. Make sure to stock up on drinks.
Drink whenever it's an episode with an ADA who lasted less than four episodes.
Double drinks if they only lasted one episode.
Drink whenever a male ADA other than Barba or Carisi appears.
Two drinks whenever the show borrows an ADA from a different Law & Order series.
Alexandra Cabot
Drink when Alex's glasses are on in once scene and off in the next.
Finish your drink if Alex is sporting bangs that episode.
Drink whenever Alex bends the rules and doing so makes Judges Petrovsky or Donnelly mad.
Drink whenever Cabot threatens a perp with the death penalty.
Drink whenever Cabot humiliates someone on the witness stand.
Drink whenever someone calls her "Alexandra."
Casey Novak
Drink if Casey is wearing a new hairstyle.
Drink whenever you see Casey's thank you poster in her office.
Finish the bottle when Casey's SEX CRIMES T-shirt makes an appearance.
Drink if Casey is seen doing something athletic.
Drink if she has to discuss her case with her mentor.
Finish the whole bottle when she subpoenas Donald Rumsfeld.
Rafael Barba
Drink if a character implies Barba is gay/bi.
Drink if Barba references growing up on the wrong side of the tracks.
Drink whenever Barba changes his suits. Warning: be prepared to get hammered.
Two drinks when Barba wears pink.
Two drinks when Barba's suspenders and socks match.
If the pocket square and tie matches/coordinates with both of the above or his shirt, finish your drink.
If Barba is wearing something other than a suit, finish the bottle.
Drink for every article of clothing Barba is not wearing while prepping for a case: jacket, waistcoat, tie, pocket square, and suspenders (aka braces). If his sleeves are rolled up, add another drink. You will be so very, very sloshed.
Drink when Barba stands to interview a witness and buttons the top button of his suit.
Drink whenever Barba is visibly exasperated with the SVU detectives.
Drink whenever Barba makes a face at whatever the defense attorney is saying.
Two drinks whenever Barba finds a legal excuse to completely screw over a wealthy, corrupt person and/or institution.
Other SVU Staff
George Huang
Down half your beer if B.D. Wong makes an appearance this episode.
Drink whenever Huang is in disagreement with the detectives due to either having a psychiatric explanation for the suspect or socially unconventional opinion they refuse to acknowledge.
Twice if he's willing to or does testify on behalf of the defense.
Finish your drink if he helps the ADA or detectives prove the defenses' psych argument is crap.
Drink twice whenever he uses his authority as an FBI agent to help the case.
Drink whenever Dr. Warner reveals a surprising plot twist.
For an extra challenge, take another drink if the reaction quips to black.
Drink whenever after the post-mortem examination, Warner tells the detectives to "promise [her] to catch the guy" or similar.
Drink if the episode is one where Tamara Tunie is not credited in the opening sequence, despite being a regular character.
Other Characters
Drink if Sister Peg shows up. Twice if she's described as the nun who gives prostitutes clean needles.
Drink if Dr. Hendrix shows up.
Drink if a character originating in another Law and Order series shows up. Twice if it's Arthur Branch.
Drink if Dani Beck shows up.
Drink if you recognize the defense attorney from another episode.
Drink if a recurring defense attorney or judge shows up outside of the context of their job as an attorney or a judge. (Such as Trevor Langan being questioned when the Victim of the Week was an employee of his law firm.)