Shit for brains American vulgar offensive phrase slang
An extremely stupid person, who tends to do extremely stupid things.
I don't want to say this but you're a real shit-for-brains. You screw up every chance I gave you.
Alex has a shit-for-brains brother who always does stupid things just for fun.
You really do have shit for brains.
To have no money
Used to describe someone who is naive, gullible, inexperienced, easily fooled, ignorant, unsophisticated, etc.
To say, or believe something or someone that seems completely crazy, delusional, or stupid
A person who is low-witted or stupid
To be extremely stupid; not to be alert
The phrase was derived from the USA in the 1960s. The earliest record of it was found in David Maccuish's novel Do not go Gentle, 1960:
"Larko's got shit for brains."
To make love or have sex with someone
They just jumped each other’s bones after one date.