lame·brain 
/ˈleɪmˌbreɪn/ noun
plural lame·brains /ˈleɪmˌbreɪn/ noun [count] US, informal : a stupid person
▪ Listen, lamebrain, we've had enough of your idiotic suggestions!
▪ Listen, lamebrain, we've had enough of your idiotic suggestions!
— lamebrain or lame·brained /ˈleɪmˌbreɪnd/ adjective always used before a noun
▪ lamebrain [=stupid] ideas ▪ The movie is a lamebrained comedy.
/ˈleɪmˌbreɪnd/ adjective always used before a noun ▪ lamebrain [=stupid] ideas ▪ The movie is a lamebrained comedy.
