Mug Warmer

warmer
(of a color) Containing red, yellow, or orange tones
heater: device that heats water or supplies warmth to a room
Of or at a fairly or comfortably high temperature
(of clothes or coverings) Made of a material that helps the body to retain heat; suitable for cold weather
(warm) warmly: in a warm manner; "warmly dressed"; "warm-clad skiers"
get warm or warmer; "The soup warmed slowly on the stove"

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