Extremely crude yet oddly witty internet acronym, translates as 'Sodomizing My Nan Laughing'.
other variants include 'Domnl' (defecating...) and 'Pomnl' (pissing..). used in the corners of civilized society eg. universities, the houses of parliament.
Zacharias: Dude, did you hear about what happened to steve after he got drunk last night?

Herbert: Yes! SOMNL!
by NeddyBee April 05, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×