Top definition
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.

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.
by LLu November 19, 2013
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