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1. Atomic Buttercup
When you're going down on a girl really hard, and she farts on your chin. Thus the sound of a bomb going off.
I was going down on my girl and she gave me an Atomic Buttercup...
2. The Devil's Beard
A ring of blood resembling a goatee that is a result of going down on a girl with her period.
"I was going down on Jane and didn't realize she had her period until I looked in the mirror and saw I was wearing the devil's beard."
3. Red Lipped Ninja
When going down on a girl and in the process she starts her period, unknown to you.
"Jane forced him to munch the rug last night and he ended up looking like a red lipped ninja."

"Bobby was going down on Sarah when she totally red lip ninja'd him. What a bitch."
4. Alligator eyes
While a man is going down on a woman, inevitably he will attempt to make eye contact. The moment when the eyes of both parties meet, from the female's perspective, the man looks like an alligator lurking in a swamp; only his eyes peeking up to be seen.
Girl 1: So last night, Mike was going down on me.

Girl 2: Ya and?

Girl 1: Well, have you ever noticed how proud they look when they are down there and look right up at you?

Girl 2: Yea, kind of like an alligator peeking up from the water.

Both girls in sync: ALLIGATOR EYES!
5. Clown Face
Going down on a girl while she is having her period.
Kevin was brave enough to get a clown face from Kristin.
6. West Virginia Road Kill
When a person is going down on a girl while so intoxicated that they vomit into her vagina.
"I was so drunk when I was going down on her that I turned her Beaver into West Virginia Road Kill."
7. twatcholism
When you become physically sick after going down on a girl.
"Dude, last night I went down on Carly, and I think I got a serious case of twatcholism."
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