When a girl is licking your ass and you slide out a small amount of poo.
When Roxy was licking my ass the other night I couldn't resist to squeeze a little one out.

I ended up doing a backfire on her tongue.
by Mazzbot January 16, 2012
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Short for, to French kiss a girl using your tongue
Did you slip her the tongue?
by Viking Child January 5, 2015
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