diphead

dipshit

1. noun, rude slang One who is stupid or foolish. Geez, he keeps pulling on a door that's clearly marked "push"—what a dipshit.
2. noun, rude slang Stupid or foolish. Wow, that was a real dipshit plan—no wonder it didn't work out.
Farlex Dictionary of Idioms.

dipshit

1. and diphead and dipstick n. an oaf; a jerk. (see also dip.) Look, dipstick, I’m in a hurry. Don’t be such a diphead!
2. mod. pertaining to someone or something obnoxious, stupid, or offensive. (Usually objectionable.) Here’s another one of his dipshit ideas.

diphead

verb
See dipshit
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • dipstick
  • dumbass
  • licking