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.