Top definition
The Bush Onion is a close relative of the Dirty Sanchez. Where a man takes a woman from behind and just before ejaculation, sticks his finger in the woman's ass, only to pull it out and wipe a nice little pooh-stache on the woman's upper lip. Now, the Bush Onion ramps this little puppy up a notch. The man performs the above act but holds the finger under the woman's nose until she cries. Here enters the Bush Onion.
Marty Bush Onioned the young lass.
by Burgerboy December 02, 2007
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