Top definition
A word adopted from the words LOLS and FANTASTIC. Teens use this word when theyre about to do something funny and fantastic. So to save some time, they instead just say Lolstastic.
Guy 1: Hey guy 2 lets go and egg the jews that just moved in.

Guy 2: Lolstastic!
by Nickname45 January 27, 2008
Get the mug
Get a lolstastic mug for your daughter Sarah.