Dictionary.com
Thesaurus.com

pr0n

American  
[prawn] / prɔn /
Or pron

noun

  1. Slang. pornography, especially on the internet.

    When his girlfriend borrowed his computer, she found all the pr0n he'd been downloading.


Etymology

Origin of pr0n

First recorded in 1990–95; intentional misspelling of porn; usually includes the leetspeak substitution of zero for the letter o; leetspeak ( def. )