Stands for Fucked Up Beyond All Recognition!!! being wasted, bashed up, totally smashed out of your head, drunk/drugged up to where reality has no meaning!! also can be being beaten to a pulp by one or more people!
1.extreme miscommunication or social grievance; a bad mistake.
2 a. an undesirable situation or action. (n.)
b. Of, or relating to, a person whose character strengths are overcome by excessive flaws and failures. (adj.)
1. "i was talking to a girl and i spilled my coffee on her lap. I fuplevanned that one..."
2. "while creating examples for the word, he completely ran out of ideas for 'fuplevan'... what a fuplevan."