mustache cup
noun
a cup having a straight piece inside, just below the rim, for holding back a man's mustache while he is drinking.
Origin of mustache cup
First recorded in 1885–90
Words nearby mustache cup
must-,
must-have,
must-read,
must-see,
mustache,
mustache cup,
mustachio,
mustachioed,
mustafa kemal,
mustagh,
mustang