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1.
Something a douchebag would do.
It was very douchebaggerous when he wrote his phone number on an ATM receipt for that girl.

First use:
answers.yahoo.com/question/index;_ylt=AkspmAlmTTRlOryfD5xmQdGe5HNG;_ylv=3?qid=20091214205058AAXnQ5H
by great_write_whale December 16, 2009