Fuck your mouth, otherwise said as "fuck yo mouf" is the reply to a "slam" or a "burn." Generally stated after a person says something offensive, wrong, or a lie.
Man 1: "Yo, my hommie just rolled up on some bitches and hit it hard last night."
Man 2: "Man, that was my sister. Fuck yo mouf!"
Man 2: "Man, that was my sister. Fuck yo mouf!"
by CGPierce May 1, 2008
 Get the fuck yo moufmug.
Get the fuck yo moufmug. When a bitch gotta mouf dat look like it should be ona horse. When she laugh it sound like a donkey!
by tom08 March 1, 2008
 Get the horse mouf bitchmug.
Get the horse mouf bitchmug. by Fire and Ice- April 15, 2011
 Get the Dirt Mouf Assmug.
Get the Dirt Mouf Assmug. by Supreme247 September 11, 2023
 Get the box your moufmug.
Get the box your moufmug. by David Finkelburger February 17, 2008
 Get the Bucket Mouf Hoemug.
Get the Bucket Mouf Hoemug. Is used in the same context as "icing on the cake". Because, everything is better with a little weed in da mouf.
by Samz0r June 10, 2007
 Get the Weed In Da Moufmug.
Get the Weed In Da Moufmug. by tonithy March 14, 2014
 Get the wat dat mouf domug.
Get the wat dat mouf domug.