The act of planting one's ass on another's face, usually after they've been overserved and are passed out on a couch or bed. Proper form "fits" the butt crack atop the nose.
Being the vehicle stuck between the jackass going below the speed limit and the jackass riding your bumper because of it.
ALSO a term used for a group of 3 or more people who stand right in the middle of an isle or walkway to have a conversation, oblivious to the all people trying to get around them.
Excuse me...excuse me... I have to use the can. Excuse me. Really? You are currently being a complete ass sandwich, move your shit elsewhere!
The act of inserting a piece of bread, meat, or cheese between the cheeks of someone's ass, including your own, with the direct intention of feeding it to someone too drunk to notice.