Aviation Geek (Avgeek) Crewneck Sweatshirt

An AvGeek means an aviation geek. Someone who is an enthusiast of aviation. Aviators are all avgeeks, right? The word geek is a slang term originally used to describe eccentric or non-mainstream people; in current use, the word typically connotes an expert or enthusiast obsessed with a hobby or intellectual pursuit, with a general pejorative meaning of a "peculiar person, especially one who is perceived to be overly intellectual, unfashionable, boring, or socially awkward".