Acronym for 'You can sit on my face'. A sexual term usually used to tell the other person that they want to give (usually a female ) head or ā eat their pussy ā. Sometimes it's modified to 'SOMF' or 'SOMFF' for people who prefer profanity or want to give it more of a push.
Him: look who finally decided to reply
Her: What I been txted you ?
Him: yea took 32 minutes
Her: Iām sorry how can I make it up to you?
Him: ycsomf ššš
Her: ON MY WAY
Her: What I been txted you ?
Him: yea took 32 minutes
Her: Iām sorry how can I make it up to you?
Him: ycsomf ššš
Her: ON MY WAY
by Heavenslittleangel January 21, 2018