sexcisary 

Something needed to have sex.

"No way bro, if your gonna bang her a condom is sexcisary"

sexcisary by jeramielovestodostupidstuff February 26, 2009

sexessary

A Necessary Fuck. One that is required either arising out of circumstances beyond the control of the participants or due to an extreme sexual attraction that can only be settled with a good toss in the sack.

Etymology>>> Sex ( the act of penetration) + essary (required or obligatd)

This girl is so hot, its about to get sexessary.

sexessary by Truth is not an ideal, either September 22, 2011

Sexistry 

Having (or not having) sexual chemistry.

Ugh, I got him into the bedroom and he was awful. There was no sexistry, we couldn't even keep a solid rhythm.

Sexistry by American Affair June 15, 2011