Dictionary

nutbar en · ADJ

From nut + bar.

(not-comparable, slang) Crazy, eccentric.
- He's almost as nutbar as that, um, other guy. 2001 October 10, Dan Hartung, “Ariel Sharon Declares War On USA”, in alt.true-crime (Usenet):
- > information. At which point Aaron went nutbar. […] 1999 December 3, Aaron R. Kulkis, “Did Aaron finaly lose his Flash.net account?”, in alt.romance (Usenet):
- Have Duncan and Richie been back together since Duncan went nutbar on us and tried for Richie's head? 1996 May 9, Sue & Mil Garrett, “First question ever”, in alt.tv.highlander (Usenet):
- It seems that at least some of them did not entirely relish what they perused, for they went nutbar and the rest is history. 2006 September 18, Jaime M. de Castellvi, “Killfile the following people”, in rec.arts.tv (Usenet):

odd · pixilated · nutty · kooky (eccentric) · loony (crazy) · potty

From nut + bar.

(slang) A crazy, eccentric person.
- If I’m alone and a warnik nutbar attacks me, so be it. But I will not sit idly by and watch as this country and the world are hijacked by the ultimate domestic terrorists in Washington. 2003 May 9, Frank Gubasta, “I’m Disgusted”, in Marie Spike, Charles Reskin, David Reskin, compilers, Outcry: American Voices of Conscience, Post-9/11, Boca Raton, Fla.: Universal Publishers, published 2005, →ISBN, chapter 7 (Scientists and Other Professionals), page 183:

Spelling	Features	Labels	Source
nutbars	Number=Plur		lexicographic

kook (eccentric person) · loony (crazy person) · odd duck · nut · whackjob · weirdo