To impregnate a lady..
by Leeeeeeena September 23, 2005

by used terry towel April 21, 2009

by sispecwarrior March 19, 2005

by noooooooooope June 10, 2009

this expression is a superstition that is used in the hope that a good thing will continue to occur even after its mentioned.
For Example : "My throat is finally feeling better, knock on wood!"
or
"I'm so happy it hasn't rained yet, knock on wood"
or
"I'm so happy it hasn't rained yet, knock on wood"
by [DEE]best! December 27, 2009

by GMan January 3, 2004

the arsehole
by Darren XXIII October 30, 2011
