by Kitten123 July 29, 2005

person 1: im grounded because my parents found out that i stole gum from the gas station.
person 2: i didnt knock on you.
person 2: i didnt knock on you.
by jordan October 30, 2003

by breks one February 17, 2003

by Sunnie-D December 30, 2008

Constipation; from the common practice of knocking the table in the game of dominoes which signifies that you "can't go".
"Are you alright, love? Did you have any luck?"
"No, I still can't shift it. I tried again after the figs had got to work, but still had to knock"
"No, I still can't shift it. I tried again after the figs had got to work, but still had to knock"
by The Organ Grinder May 27, 2008

to take a hit at a joint or blunt. I wouldn't use it for a bong or dry pipe, but I suppose it is synonymous with hit.
by TheRooster April 05, 2007

Popular children's game derived from William Shakespear's "Macbeth" - Act 2, Scene 3, line 7, "Knock, knock! Who's there, in th'other devil's name?.."
by MadScientist February 24, 2005
