Top Definition
A type of loser.
Specifically a loser with a compunction to force EVERYONE to listen to their crappy taste in music, often using a lame stereo system.
If that Neanderthalis Decibelus doesn't turn his volume down I swear I'm gonna shove that boombox up his rectum.
Por @pop_art 28 de julio de 2009
7 Words related to Neanderthalis Decibelus

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