Mudtrap Posted in M Best definition Mudtrap Another word for mouth, as in ‘shut your mudtrap’. The similarity between mud and crap could also mean the person is implying that the other person talks through their arse. ‘Shut your mudtrap hooligan!’ How satisfied are you with the definition? Looking for Mudtrap meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 30 times.