SDM

Means “small dick maxx.” Homie got a boner and everyone knows the truth

“Bro did you see SDM earlier at lunch”
“SDM got a boner off Riley”

by halfbowlcut June 16, 2019

sdm

SDM is an acro for "size does matter"

"oh yes... SDM... that's why I dumped Fred."

by Cajun September 25, 2005

SDMS

Shit Dip Masturbate Shower

Nothing like taking an SDMS after a long day on the job.

by Pinsol December 15, 2016

SDM

Abbreviation for "She ditched me".
When a guy gets attention from a woman at a bar, and then she withdraws from him in a hurry.

This chick in a red dress just taught me how to drink scotch, and then she ditched me (SDM)!

by Hoosfoos July 28, 2011

SDM

Short Dick Man

Girl one: So, girl spill the beans about the guy you went home with
Girl two: There is nothing to spill because he suffered from SDM.
Girls one: What is that?
Girls two: Hew as a Short Dick Man!!

by deemoneyshot April 18, 2014

sdm

spank da monkey!
also known as masturbating, or pleasuring oneself

ho...ho...hold on, let me sdm for a bit

by MR. SCRATCHIES June 20, 2008

sdm

Scripts Do Matter

Look mom! No hands!

by h3h3 September 4, 2003