Related to snowconing.
Refers to the semen that gets on a
mans upper lip and
chin after he eats out a woman he has just defiled with his
seed.
The way he looks resembles the facial hair style.
Dahlia: Thaddeus, that was great! You
don't think its gross going down there ... after you ... you know?
Thaddeus (looking up): No its okay, I love it.
Dahlia: hehehe you have a Foo-Man-Choo dripping down on your neck.