Top definition
1) A homeless man who rides from town to town on freight trains and fixes computers.

2) Digitally enhanced anatomy, which spends its time trolling the internet and spewing its filth upon unsuspecting websites.
1) I lost everything when my hard drive crashed, but a tech bum showed up in town this week and now I have all my data back!

2) I was proud of the message board I had designed, but within the first five minutes tech bums had covered it with .gifs of dancing offal.
by SoloThinkTank March 29, 2011
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