thick headed
Often meaning the person is stubborn and stupid at the same time. They have an idea that is easily proved wrong but they refuse to let you.
My friend is so thick headed, he swears that all arabs are out to hurt someone.
thick in the head
used to call someone “stupid/dumb”
“are you thick?”
“i know, i’m not thick in the head”
“i know, i’m not thick in the head”
thick in the head
meaning, stupid or dumb.
“are you thick?”
“no i wouldn’t do that! i’m not thick in the head.”
“no i wouldn’t do that! i’m not thick in the head.”