Top Definition
Pertaining to something nerdy.
Kaitlin: I look up words on just to do it.
Mark: That's nerdish.
by xdoylex June 20, 2008
The state of looking, or appearing to be, a nerd.
Man 1: Wow, he plays a lot of MMORPGs and voted for Ron Paul.
Woman 1: Is it possible to be more nerdish?
by Ian & Zoe November 04, 2008

Similar to a fetish, but describing an obsession or great interest.

1. John has a complete Star Wars nerdish.

2. "Jane can't come to the dance because she's studying for
her math test a week in advance."
"Yeah. She does seem to have a bit of a math nerdish."
by drummindave5 April 07, 2009
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