A complete Faggot that likes to suck norwall testicles and eat peanut butter off of llama penises. They are wierd as fuck and should go live with mentally retarded monkeys..
Dayyyyum! That Meghan girl is a dinky flap because she didnt give me my weekly bj...
(Not to be confused with actual douche/hygiene-maintenance equipment)
Someone who goes way beyond the normal, standard definition of an asshole. Usually used as a term to describe/direct one's anger (and in some cases, absolute rage) at someone who is pissing them off to a very high degree.
Synonyms: see ass clown, Assclown McDouche
"Sweet fucking Jesus tits! Look at this douche flap cutting me off!" Nice driving asshole!"
"Even though I have higher qualifications, Henry gave the promotion to that fucking douche flap Dave who isn't even here half the time!"