Worlds Greatest Boss Mug

worlds greatest
"The World's Greatest" is a song written and recorded by R&B singer R. Kelly. The song was originally featured on the soundtrack to the film Ali , and also appeared on bootleg copies of Kelly's unreleased album, Loveland, which later became a bonus disc to ''Chocolate Factory.

boss
emboss: raise in a relief; "embossed stationery"
exceptionally good; "a boss hand at carpentry"; "his brag cornfield"
A person in charge of a worker or organization
foreman: a person who exercises control over workers; "if you want to leave early you have to ask the foreman"
A person in control of a group or situation

mug
The contents of such a cup
the quantity that can be held in a mug
A large cup, typically cylindrical and with a handle and used without a saucer
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"