Top Definition
while giving your lover(girl or guy)oral. you blow hard into the anus or vagina allowing the air to blow back on your face.
i gave my girl a southern blowfish last night and she almost laughed herself to death.
by buck w May 02, 2007
One of the most dangerous things you can do to a pregnant women.Can introduce air into the uterus, causing the placenta to separate from the uterine wall,leading to hemorrage and miscarriage. Bad idea!
Never give a pregnant girl a Southern Blowfish.
by flagrantviolator May 16, 2007

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