When sitting on the toilet for so long that ones legs fall asleep.
Frank, are you almost done in there, your going to end up with shitter legs!
When your jeans absorb salt through snow found in parking lots & the like and create a white lines at the cuffs of one's jeans. This occurs after every winter snow fall in northern climates as salt from the roads gets all over your feet and soaks your jeans. The rings creep up your jeans from the bottom up and create a white line ring around them.
"Why aren't you going out tonight?" "I have no clean jeans and need to do laundry because all of them have salt legs."
An inability to walk due to an equilibrium malfunction as a side effect to alcohol consumption. The individual possessing the schwave legs will often not know what's wrong with them. Sometimes schwave legs can be countered with weight, for example, carrying a cooler.
Dave - "I keep falling down!! What's wrong with me?"
Jon- "I think you caught a case of SCHWAVE LEGS. Your equilibrium may be off from those tequila shots"
Dude #1: Yo your kanki legs are hella crooked
Dude #2: Nahhh, Shut the fuck up, they aren't kanki
When a skinny ass girl wears black leggings.
"DAMN! You see that girl over there in them black leggings, Jack?!"
"Yeah dude she got some Stork Legs!!"
The volume of fat in your thighs and lower leg flab
Do you see that lady little Timmy?
DAMN!! LOOK AT THAT LEG ROOM!!
When you sit too long on the toilet, and your legs go numb.
Dudeee, I just took a life threatening leg number