to be "owned" or dominated; usually over the internet or form of internet such as Xbox Live.
After posting a naked picture of Clay's fat girlfriend on the forums, Brett knew he had completely muled the insolent poster.
by Jason Harrington August 06, 2007
When one walks through a fart, carrying it with them into another area or room.
Oh, gross! You muled that fart in here from the bedroom!
by spacerockzero November 27, 2011