Bob, being the loser virgin or horndog he is, is... easily overstimulated— so much so that he ejaculates in his pants without even having sex, or in extreme cases, just from Alice talking to or brushing up against him. If he's in public, expect Hilarity to Ensue. If he's in private, expect Alice to be either extremely disappointed in Bob or proud of herself, depending on whether or not it was her [...] [tvtropes.org]