lips that are stuck out like a duck, usualy from too much dick sucking, causing your lips to cramp and stay frozen in a dick sucking position.
"Damn girl, you'll have to wait till you lose that blowers cramp before you'll be able to whistle again."
by TCW00dy March 17, 2004
often used to describe someone's face if there is a picture taken with their mouth in an O shape.
I found a great picture of George Bush with Blower's Cramp.
by fakemonster July 27, 2005