Top Definition
After a long night of drinking beer, your recieve oral sex, and bust in her mouth, after swallowing, the carbonation from your nut butter causes her to burp.
Last night your mom had a nasy case of the sperm burps.
by riotchilde May 31, 2006
slang word for "gay"

see also:
Fag, Cumguzzler, Peter Puffer, Anal Assissan, Goo Gobbler, Jizz Jockey
"Wow, Ryan is such a spermburp dude"
by ray gyan March 13, 2008
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