v. To so completely lose your cool that you can only get jibberish out of your drooling piehole.
When Jon found out that his mother had done biker gangbang flicks in the '60s, he totally jibbed out. It was AWESOME.
by Alecx Hunter July 15, 2005
to have an attack of the jibs. formally known as a spaz attack! 13/14 year olds commanly use this term.
"hey man, don't jib out on me!" "stop jibbing out"
by laura t March 21, 2004