v. the sexual act of stimulating a penis by "mopping" it with a vagina. much rubbing and clitoral attention included, with little or no penetration.
That hooker last night was rubbing her clit with my cock and mopping my unit, her stanky juices were dripping onto my balls...
by finkleandeinhorn December 9, 2008

Basically trying to catch someone slipping, or lacking. something blueface or redface what ever his name is talks about and does.
by eEk bOi May 6, 2019

by sabrina November 28, 2003

The MOP who’d reported the offence had sounded either demented, or on drugs, or something – but definitely not one hundred per cent in touch with reality. -- "Halting State" by Charles Stross
by Jabster January 12, 2012

by Spacecow March 8, 2003
