SMBD; Suck My Big Dick. To be used when u would like to have sexual intercourse with another individual or when u would like to be rude towards someone
Jennifer: Hey Baby ilyyyyy
Mark: SMBD
Jennifer: already did 😉
by sidhumoosewala March 25, 2020
Sado-masochism bondage and discipline, but also "such my big dick"
"Would you like to SMBD?" - Jorge

"Yes, I will suck your big dick any day!" - Stacy
by Sexxyyyy February 22, 2009
sodomy masochism bondage disipline
OR
sadomasochism bondage disipline
The young man was at the dominatrix's mercy during the session, and while he manacled to the wall and being flogged, he thought, 'This smbd is greeeaaaaaat.'
by Chelsea November 17, 2004