Basically, it means shut up. You just say 'you lip' in place of shut up.
Usually, the person saying it closes their hand with their thumb at the bottom and their four fingers at the top as they say it.
Usually, the person saying it closes their hand with their thumb at the bottom and their four fingers at the top as they say it.
by Somebody?! June 5, 2007
Get the You lipmug. by Craqhaid August 10, 2008
Get the slap you crost yo lipsmug.