1 definition by darth upchuckitus
What happens when you barf inside any kind of helmet that encloses your face. Can be used as a noun or verb. A portmanteau of "Darth" Vader and "barf".
(verb) "Man, I gotta quit barthing on motorcycle trips - I hate choking on it"
(noun) "Barth, I am your maker" - Darth Vader
(noun) "Barth, I am your maker" - Darth Vader
by darth upchuckitus August 10, 2013