When one has an unexpected disaster that makes one feel as if they just got "fucked in my ass." Usually financial in nature, but always a major catastrophe.
"When the transmission went out on my car, I declared it a F.I.M.A. disaster. It cost me over $2,000!"
acroynm= Farted.In.My.Pussy. Refers to when a woman is seated in a certain position where gas is expelled from her asshole and winds up in her chocha. may also be referred to as a reverse queef.
Hey honey, did you F.I.M.P. when we went over that last speed bump? Yeah, we should probably wait a little while before we fuck...