An abbreviation of: "shaking my rat", smr is typically used when something is obvious, plain old stupid, or in disappointment, and is used primarily by LBC_Bulletproof.
Synonyms for SMR
On this page, you will find 30 slang terms related to SMR. Some of the top words include: Hooftenguffers, quake, dickmunch, steamed, stup, and 25 more.