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.
Bobbycame home hammered and passed out. So I gave him an ass sandwich.
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.