Argentine slang used (usually in a mocking or insulting way) to refer to a Kirchnerista (a supporter of the center-left political movement of Néstor & Cristina Kirchner). It's a mashup of “cucaracha” (cockroach) + Kirchnerista.
Kuka spooker is a term used to describe a strange statement, usually combined with a chat up line, that ultimately ends in a female not wanting sexual contact for the foreseeable.
Man: Hey want to go halves.................on an unplanned child?
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.