Blank Mug

blank
(of a surface or background) Unrelieved by decorative or other features; bare, empty, or plain
(of a document) With spaces left for a signature or details
(of a surface) not written or printed on; "blank pages"; "fill in the blank spaces"; "a clean page"; "wide white margins"
keep the opposing (baseball) team from winning
Not written or printed on
space: a blank character used to separate successive words in writing or printing; "he said the space is the most important character in the alphabet"

mug
rob at gunpoint or with the threat of violence; "I was mugged in the streets of New York last night"
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