Also known as "Perfect Legs".
Legs that you wish you have.
"It's really hard to have SNSD legs, they are really to die for."
The unanticipated ejaculation produced from a male's penis whilst wearing trousers, normally in the form of tight skinny jeans which then begins to run down one's leg. This is normally produced in nightclubs across the world from grinding on a potential sexual partner for too long.
"Alright mate? why are you heading to the toilet, the club is banging?"
"I've got to go to the toilet and wipe this sticky leg off, I've been grinding with a girl all night!"
When you fart and poop runs down your leg
That fart was wet I think I'm gravy legging.
verb: means to get after it, chase girls, talk with girls.
Guy1: Yo, we gonna get after it at the bars tonight ?
Guy2: Yeah man, we're def gonna run-leg tonight Bro!
the tube like section of fabric formed around the leg from the hem of the pants up to the crotch
"Aaaaaah, there's a bug crawling up my leg pipe!"