1. (orig. US) a term of abuse, a description for any foolish, stupid, slow person.
|Nevada State Journal 26 June n.p.: Wm. ‘Bill’ Hopper, president of the First National Bank of Nevada, has decided to drag the novice or greenpea out into the open where all may take a look and to the tune of a beautiful trophy and fancy cash prize, but ‘ye knucklehead’ must pay an entry fee to show his skill in the arena.|
|Old Breed 241: This is the way to do it, knucklehead!|
|(con. 1950) Band of Brothers 2: You stupid knuckleheads [...] You ever point a weapon at me again, I’ll have you rotatin’ on the end of it!|
|Meanwhile, Back at the Front (1962) 36: I want you to hang that dumb bastard, that’s what I want you to do about it, you knucklehead!|
|Dear ‘Herm’ 43: Even my son Alvin agrees – and he is no nuckel-head!|
|Muscle for the Wing 105: He’s a knucklehead.|
|8 Ball Chicks (1998) 75: The knucklehead who got shot is named Evil Dog.|
|Soul Circus 208: Doesn’t tolerate knuckleheads or any kind of foolishness.|
|Wire ser. 4 ep. 10 [TV script] You’ve always been good with the knuckleheads, boss.‘Misgivings’|
|Running the Books 155: The girl over there wants to sue you for being a knucklehead.|
2. in attrib. use of sense 1.
|This Is How You Lose Her 3: Instead of us hanging with my knucklehead boys [...] we were seeing movies.|