a person who is always willing to do the act of taking a cum shot or someone who is known for always swallowing.
"Everyone in the bar knew that Amy was the town cum mop."
by Jimmy Dallas April 30, 2006
Any random item of clothing used for the cleanup of semen.
Post coital wife " The mess! Hand me those old pajama bottoms, I'll use them as a cummop.
by the man in the black suit October 12, 2009