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The act of a male ejaculating into an anus (male or female) and then the reciever farts into the males face spraying semen and thus creating a snowstorm effect.
"The other night I was fucking this bitch in the ass and she turned around and gave me a belgian snowstorm."

"A what?"

"A Belgian snowstorm, she farted my load into my face."
by jrod8966 October 15, 2009
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