Administering oral sex in an outdoor space (on grass)
the saying refers to getting your knees wet on wet grass when giving head.
the saying can been changed to refer to past, present or future tenses.
e.g
" the bitch got her knees wet last night"
"aww yeah get your knees wet!"
"your getting your knees wet"
"hey wanna go get your knees wet?"
I can be all I can be if you " Get your knee off my neck "!
By Loralee
Get Your Knee Off My Neck
A request to a LE officer to remove his knee from one's neck, in order to breath. Sometimes proceeded or followed by "I can't breath" or a state of unconsciousness or death.