Sammy being The Ditz that she is mistakes onions as garlic, which Frank loudly corrects her for.
The crew think Peter has encountered Abigail as they hear his scream from the radio, but he only got a splinter from a pool cue he sharpened as a wooden stake.
Frank finds the book Abigail told him would lead him to exiting the house, and so he confidently grabs it, expecting a secret passageway to reveal itself, only for it to turn out to be nothing and that Abigail screwed him over, leaving him with the most annoyed look on his face ever.
After the events of the evening and being granted continued life and freedom from Abigail and her father, a blood-covered Joey walks out of the mansion uttering a quiet "What the fuck."