Used when describing an exciting moment. Meaning-Placing one's penis in the mouth of a woman or women.
After hitting a hole in one, Jonathan exclaimed "Damnit that's sex in the mouth right there!"
by JCakes February 7, 2013
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When you eat a sandwich that is so good, that the experience is as good as, or better than, sex.
This sandwich is so good, I think I just had sex in my mouth.

by Ham bag September 6, 2006
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A popular way to describe something that is very pleasing to the senses. It tastes very good on your tounge. Can also be used when referring to oral sex!
example 1: OMG....this budlight is sex in my mouth.
example 2: I want some sex in my mouth immediatley!
by C-pain February 27, 2008
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Guy 1: yo my nig you tried some of that new trail mix

Guy 2: no?

Guy 1: it's like sex in your mouth nig

Guy 2: Shut the fuck up and stop trying to act black you flaming sack of steaming shit.
by hardeeharrr December 3, 2013
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A man or women that uses their mouth to give oral sex on men or women. Usually this refers to male on male or female on female sexual relationships.
If Jeff doesn't stop hanging all over Clint, everyone is going think he has a sex mouth.
by dontdoitagain October 21, 2013
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