Domingo: You guys even real cops? You look like kids in Halloween
Jenko: Hey! You want me to beat your dick off?
Domingo: You want to beat my dick off?
Schmidt: I think what he was trying to say was, he's gonna punch you so many times round the genital area that your dick's just gonna fall off.
When Jenko and Schmidt are throwing the house party, Jenko invited the 3 nerds to help him hack Erik's phone. When Jenko lets them in, only two guys walk in, then he shuts the door. In the next shot, all 3 guys are inside.