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Sexual union between a male and a female involving insertion of the penis into the vagina.

Latin, from past participle of core, to copulate : co-, co- + re, to go, come; see ei- in Indo-European roots.

i·tal adj.

i·tal·ly adv.
Please tell me you are not having coitous!!?

I got this from The Big Bang theory. Lol
Apparently geeks use it instead of saying sex.
coitous by LLu November 19, 2013
Related Words

Coiteous 

Lloyd was coiteous to Alex by making her breakfast after a long night of loving.
Coiteous by deglester July 31, 2016