Large forward facing appendages on the front of a woman or man whose mass is in excess of 180 Kilograms.
by Der Meister September 13, 2005

by T-Bone May 12, 2004

by jamma wun/ kwazdog (b-more) February 23, 2003

Make sure you don't speed on this road, there's a lot of knockers lurking around.They'll come knockin at your door.
by ab and flo August 17, 2007

Hair accessories for little girls. A wrap around hair tie with a hard plastic ball on each end. The name was coined back in the day because little girls always get knocked in the head by the balls.
by Sup3rS3xy1 July 8, 2015

Petey: "So how was it?"
Howie: "Dude, she had knockers on the knockers and the man in the boat with anchor!"
Howie: "Dude, she had knockers on the knockers and the man in the boat with anchor!"
by Utah Ski Bums May 23, 2010
