1 definition by tigpig

Top Definition
Underpants; a diminution of the rhyming slang 'Solomon Grundies' = Undies
Must go to Marks and Sparks to get some new gruns!
by tigpig March 09, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug