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
 Get the Moppingmug.
Get the Moppingmug. by sabrina November 28, 2003
 Get the mopmug.
Get the mopmug. 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
 Get the MOPmug.
Get the MOPmug. by Spacecow March 8, 2003
 Get the mopmug.
Get the mopmug. 

