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
verbSee dipshit
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
- dipstick
- dumbass
- licking