A police sergeant in a small town, who is retard-like in appearance with giant Dumbo-the-Elephant type ears. He is also of poor intelligence and anti-social in behavior.
Mongosarge stopped me the other day, but he's so stupid he didn't see the bag of weed in my center console.
Definition:
A derogatory term to describe someone acting retarded and making really dumb and weird moves.
A beautiful combo of "mongoloid" and "spastic".
That guy is acting really weird and he's not helping the team, what a mongospastic!