Definitions by Caomhín

eppo 

A slang word from Dublin technically meaning to an epileptic fit. Its more likely to mean you over-reacted to something. You can have or throw an eppo. It was very popular around the time of the movie My Left Foot.

"Jacinta had an absolute eppo when she heard that Saoirse was texting yer wan"

eppo by Caomhín June 5, 2007