Top definition
an acronym deprived from smh... it means shake my mother fucking head is used whenever something is just too ridiculous to simply shake your head.
Becky: yeah, we weren't able to get in the club since I lost my I.D.

Tweety: SMMFHH
by BPsince92 June 28, 2011
Get the mug
Get a SMMFHH mug for your papa Manley.