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3.
The immediate feeling of fatigue following sex, especially really amazing sex.
"Wow, that was sexhausting. Wanna smoke a cigarette?"

"I was gonna make him a sandwich afterwards but we were both way too sexhausted."
by acantakeheron November 07, 2011
 
1.
When one has engaged in copulation for so long that they become exhausted. This may be in a few seconds for fat folk, or considerably longer for the Olympians out there
Girl: Can't we go again? Just for 5 more minutes?

Guy: Sorry Baby, I'm sexhausted. Wake me up in a few hours with a bacon sandwich to replenish my strength, then we'll talk.
by gonzo89cb April 02, 2010
 
2.
(n) state of exhaustion due to copious amounts of sexual activity.

other spelling:
s-exhausted
sex-hausted
s-xhausted
i can't make it out tonight; i'm sexhausted.
by Lfrey April 25, 2006
 
4.
when you're tired from sex
I just sexed, so now I'm sexhausted.
by dirty_jimmy October 22, 2013
 
5.
hittin' the skins til they sore.
Samantha: "I don't know if I can take anymore of this"

Amy: "what's going on, everything OK?"

Samantha: "Yeah, but Dean has been keeping me up all night for the past 4 days. I'm sexhausted!"

Amy: "Don't even try it, you expect me to feel sorry for you? I've got cobwebs down south"
by DDMMTT January 18, 2011