Dumb Cock 

1: An insult, usually used to express distain of an act thought to be stupid. (Possibly a modicifaction of the word "dummkopf" meaning "fool" in German.)
2: A man who is all brawn and no brain, primarily used for sex and heavy lifting.

1: "Why'd you have to go and shoot that guy ya' Dumb Cock!!!"

2: (Shirly) "What DO you see in brad? He is SOOO dull!"
(Ashley) "I know but he fucks like a pro... Yeah, he's my big Dumb Cock..."

Dumb Cock by HungLikeAChicken March 12, 2009

dumbcock 

dumbcock one who is a dumbfuck a less offensive non vulgar alternative to calling someone a dumbfuck when strong profanity want do and good manner are appropriate

this guy drove his truck through flooded roads get stranded and had to be rescued what a stupid dumbcock

dumbcock by littlejimmie March 27, 2019