The extraordinarily overwhelming and unavoidable state of single mindedness and almost blindingly impaired judgment preceding sexual release. Often used as an explanation for certain cases of seemingly out of character behavior. This is usually followed by The Afters, a powerful state of shame, embarrassment, and regret, immediately following sexual release.
Guy 1: What the fuck is wrong with you? You walked out of your room wearing nothing but a Gene Simmons mask and a fleshlight, and proceeded to loudly gratify yourself until you creamed all over Liz.
Guy 2: I hadn’t gotten off in a week. I had a really bad case of the befores...
Guy 1: Fair enough. Plus that bitch deserved it.