look up any word, like bae:
 
1.
Someone who's Sexy and Fantastic that you would fuck
Dam, She's Smashtastic
by Cblayl1 August 16, 2011
 
2.
Awesome. Ace. Good. Fabulous in any way, shape or form. You wish it to your friends like so:
Have yourself a smashtastic day darling.
by ericLOVE May 06, 2009