The day after unprotected sex experienced by women. Usually involves a regular hangover coupled with the negatives effects of the morning after pill. This combo with the addition of the "fuck im an idiot" feeling creates the ultimate in feeling like shit.
: Hey jane, wanna come for breakfast?
: No i feel like fuckin shit..
: oh hangover?
: no... bangover
: OOooooooo... fuck, try not to kill yourself.