A fork of Rural Dictionary
to stare at someone in a menacing or threatening way.
That cat's mugging, I think he wants to fight.
In some colleges in India; this term is now also termed to indicate a lot of studying.
He's mugging a lot these days. He wants a lot of good marks.
To Make out with during yell practice when the lights are turned off at Yell Practice.
I was mugging with her at yell practice.