The Collaborative International Dictionary
Assish
Assish \Ass"ish\, a. Resembling an ass; asinine; stupid or obstinate.
Such . . . appear to be of the assich kind . . .
--Udall.
Wiktionary
assish
a. Like an ass; stupid or obstinate; asinine.
Usage examples of "assish".
I think it's important if you're Jewish you should be Jewish and not half-assish.