What is Dirty Avalanche?
1.
while the girl is sleeping next to you, you start jerking yourself and right before you cum, you waker her up and unload all over her face, catching her by complete surprise. just like an unsuspecting skier.
i gave my sister in law a dirty avalanche on her birthday.
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2.
When a man lays on his back, with legs thrown over his head and masturbates, finally attempting to ejaculate into his own mouth.
I got home early yesterday to find my roommate head over heals in the living room giving himself a Dirty Avalanche
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3.
when fuckin a bitch outside in the winter ya slip your wang out her twat, dip it in the snow, then surprise her by putting it back in her ass.
steve: "Hey i gave my bitch the dirty avalanche"
joe: "you put it in her ass with some snow on your cock"?
steve: "hell ya.bitch is a dirty slut"
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