Top definition
An acronym for "Swear on my Great Grandmother's Grave".

Used in textspeak to prove you are telling the truth
Person 1: "I didn't post that on your wall."
Person 2: "You SO DID".
Person 1: "I didn't. SOMGGG"

or "Will pay it tonite. SOMGGG."
by Spacli October 04, 2011
Mug icon

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