A combination of 'nil' and 'zilch' to express less than nothing.

when you're hungover as shit after a spending a night drunk as a skunk

Noun. Nothing. Zero. This usage has been around since at least 1970. Possibly a combination of "nothing" and "zilch."

Word extracted from Warcraft 3 Battle.net forums. Never heard ever before. Probable origin, an abbreviation of the phrase, "zip, nada, zilch" meaning to have none at all.

Another name for the word bitch, or any other word to describe another thing, such as a person. Used as a name calling device.

nothing. zero.