Gunfight in the morgue, rule one: Don't hide behind the thin guy.
— Frank Castle mentally chiding a mook doing so (while using a not-noticeably-thicker corpse as a shield), The Punisher: Welcome Back, Frank.
Lesson 3: When using a human shield, grab a fat guy.
— Andreas Darlton's thoughts on this trope while massacring a group of war criminals with an antiaircraft machinegun, Code Geass: Lelouch of Britannia
"Activate... Hero Shield!"
— Captain Hero, before grabbing a random civilian to absorb gunfire for him, despite being bulletproof himself, Drawn Together