look up any word, like dirty sanchez:
 
1.
When a female's genitalia become moist or wet due to sexual arousal, she has the loin sweats.

Perspiration of the female genitalia due to arousal.
Lisa: Oh my god, that guy is so hot. Just look at him!

Sara: Yeah, he gives me the loin sweats.
by swolcken August 10, 2011