should be "ochujalas" (spelling).
No direct equivalent I can think of. It means someone become equivalent of a dick, acquire properties of a dick. The word is used to say that someone lost their mind. Of course it is supremely rude but accpetable among friends depending on the context and intimacy (not nexessarilly sexual
Another slang expression, meaning roughly fvck yourself, to hell with you, pi.ss off, leave me alone and such.