Gaggerbagger
A Gaggerbagger is the person who gets no drinks and has to carry gag bags, making sure no one throws up on the floor or they get yelled at.
The Gaggerbagger gave Lisa a warning when she spilled her drink on the floor.
At the party, the Gaggerbagger dragged Mark out of the room after he threw up.
The Gaggerbagger screamed at Sam when he tried to hide his gag bag.