This is the act of having sexual intercourse while one of the party's is going the bathroom. It is very dirty and I am guessing not very popular. Although it is not popular some people are aroused by it.
Dane Derouin likes the feeling of toilet sex in his bathroom only.
by 9289515257 May 29, 2011
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The act of giving/getting the shaft while one or the other our both parties are using the toilet or the floor or just pooping wherever their fucking
"I want to fuck you so bad but I got to take a shit." Jane says holding her asshole. "Well why don't I join you and we can have toilet sex and you can shit on my balls!" John replied joyfully.
by Yetti June 17, 2006
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A toilet that is used by niggas during sex.
Nigga 1: BROO I GOTTA TAKE A SHIT

Nigga 2: Don't use that toilet though, that's a nigga sex toilet.

Nigga 1: Thank you for informing me of the importance of this nigga sex toilet. I shall now proceed to defecate in a different lavatory.
by Guacamole Nigga Sex Penis March 20, 2019
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