A Ball Wahl is a term used to describe what a male actually uses a Wahl beard trimmer for - to shave his balls. Contrary to the belief that the Wahl beard trimmer is used on the face, it is almost always used to shave hair in the public area.
Joe: Hey guys, I got a new Wahl trimmer in the mail! Can't wait to shave my face!
Sean: That's a Ball Wahl for your nuts you don't even have facial hair.
Joe: This is true.
Derived from the word "mutual." The word mooch-wahl refers to a person in a group of friends that does not fit in. Therefor a mutual agreement between the real friends occurs that the one said person does not fit in. They also are awkward and do not realize they are not like the group. That person would be referred to as a mooch-wahl. Friends always talk about others behind their backs in a group. If you are not observing this behavior you're probably the mooch-wahl.
Pronounced: Mooch "wall"
Enunciation: said like: bitch please