[dylan604]

Mine was updated to "Go away, or I will replace you with a small shell script". I wish I could remember where I read that from for proper attribution.

[dizhn]

Might have been the bible for how old that one is.

[vonmoltke]

I remember that on a Thinkgeek (RIP) t-shirt.

[throwaway2037]

Wow, the Urban Dictionary entry is from 2003. Damn, that is older than I remember!