rude slang An abbreviation for "can't remember shit," a phrase used when one has difficulty remembering things or is feigning forgetfulness. Geez, CRS! I'm so sorry I forgot your birthday!
can’t remember shit
and CRS
phr. & comp. abb. can’t remember anything. (Usually objectionable.) Tom can’t remember shit. He has to write everything down. I was diagnosed with CRS. It comes with age!