SMDIYF 

Shaking My Dick In Your Face

Andy: i hate you, suk ma dick
Lee: SMDIYF

SMDIYF by ass-backwards January 19, 2011

SMDIYF/SMDOYF 

Slap my dick in/on your face.
When someone is giving you head and you slap them in the face with your penis.
Can be used in place of SMD.

"I just beat you on Trivia Crack! SMDIYF/SMDOYF bitch!"

SMDIYF/SMDOYF by peasncorn January 3, 2015

smdayf

short for "smacking my dick across yo(ur) face"

woman: YOU SO DUMB. SMH
man: DON'T YOU SMH ME, WOMAN! SMDAYF

smdayf by imaninjarawrawr May 3, 2011

SMNIYF 

Shaking My Nuts In Your Face

An alternative to SMH, SMNIYF is used commonly amongst NYC high school students.

Boy: Would anyone like to play some Xbox 360 or Nintendo Wii?
Other boy: SMNIYF

SMNIYF by RyanTerr December 14, 2010

smdyfsh 

acronym meaning; suck my dick you fat skanky hoe. :')

HEY, smdyfsh!

smdyfsh by nanaaar January 15, 2011

Smdiyaap 

Stick my dick in your ass and pussy

Smdiyaap

Smdiyaap by CallMeJohn May 7, 2018

smdyf 

Means Suck My dick You fool

He: you son of a bitch
Me:SMDYF

smdyf by Kpone January 11, 2017