Mugging Down
To make out in rough manner often times leading to sexy time.
Dan was caught mugging down with Mike's mom.
Mug Down
A Texas A&M tradition where you kiss your date every time the Fightin' Texas Aggies score points in a football game
He got to Mug Down with his date after the Aggies scored the winning touchdown
mugged down
Making out with someone
Her and Alex mugged down after the party.