1. decomp - Noun
2. decomp - Verb
(law enforcement, slang) Decomposition.
There's no decomp, so the body can't have been there long.
(law enforcement, slang) A decomposed body.
decomp (third-person singular simple present decomps, present participle decomping, simple past and past participle decomped)
(transitive, slang, hacking) to decompile (especially videogames)
(slang, hacking) a decompilation (especially of a videogame)
(slang, hacking, plural only) results of a decompilation (especially of a videogame)
Source: en.wiktionary.org