Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia.
To strike or assault someone violently and severely, typically on the head. He warned me that he was going to brain me if I didn't stop insulting him. The lump on my head is from when a box fell off a shelf and brained me yesterday.
See also: brain
a pea-brained person is very stupid (always before noun) Take no notice - he's just a pea-brained idiot.
1. mod. stupid; mindless. (Taboo. Usually objectionable.) What a stupid, fuck-brained idea!
2. mod. obsessed with sex. (Taboo. Usually objectionable.) All he thinks about is dames. He is totally fuck-brained.