Stack Mug

stack
Fill or cover (a place or surface) with piles of things, typically neat ones
an orderly pile
Arrange (a number of things) in a pile, typically a neat one
arrange in stacks; "heap firewood around the fireplace"; "stack your books up on the shelves"
Cause (an aircraft) to fly in circles while waiting for permission to land at an airport
load or cover with stacks; "stack a truck with boxes"

mug
A large cup, typically cylindrical and with a handle and used without a saucer
The contents of such a cup
chump: a person who is gullible and easy to take advantage of
A person's face
rob at gunpoint or with the threat of violence; "I was mugged in the streets of New York last night"
the quantity that can be held in a mug