In reference to those beanies with the spinning propellers on them. It's slang for a trendy techno-geek.
That goofy guy with the long hair and glasses is our Computer guy, but he's a hardcore propellerhead.
by M.R.R. July 8, 2003
Non-geeks use this term in refrence to geeks. Geeks use this term in refrence to a geek that spews crap that he/she doesn't really know anything about.
non-geek: That guy has a Linux pda, what a propellerhead
geek: That propellerhead is vomiting random termanology in my face.
geek: That propellerhead is vomiting random termanology in my face.
by ribo August 30, 2004
Anyone who read Good to Great in college is gonna move up in this company, that kid's a real propellerhead.
by That Guy February 19, 2005