A. Her momma was ugly too. Fat and smelly.
B. *Gasp* Her momma? BYW. You know you wrong for talking about that girl and her momma like that.
B. *Gasp* Her momma? BYW. You know you wrong for talking about that girl and her momma like that.
by tickedandtied November 12, 2015
Shorthand for "Boo, you whore."
by Yma October 27, 2006
An anacronym for "Back Yard Wrestling." Refers to people, usually teenage males, mimicking WWE professional wrestling by pummeling each other, usually with weapons like cookie-sheets, steel folding chairs, thumb tacs, barbed wire, etc. "BYW" specifically refers to a particular ground.
by Chris Jackson December 12, 2003