What does Bush Onion mean?

Bush Onion meaning in Urban Dictionary

The Bush Onion is an in depth relative associated with Dirty Sanchez. In which a guy takes a lady from behind and simply before climax, sticks his little finger in woman's butt, simply to pull it out and wipe a fantastic little pooh-stache on the woman's upper lip. Today, the Bush Onion ramps this small puppy up a notch. The guy does the aforementioned work but holds the finger beneath the woman's nose until she cries. Here enters the Bush Onion.