A slang term/intentional mispronunciation used by those who grew up as hippies in the United States of America during the 60s/70s. Similar to groovy, it is used to express awe and appreciation for something exquisite, aesthetic, or tasteful.
>Receives fancy platter of well made gourmet food at a nice restaurant
>"Groovy..."
>Takes first bite >"Excellante!"
~Quote by my grandfather, R.I.P. Papa
The word you use when something is so awesome it's bad assity goes beyond excellent or fantastic.
Radster A: "Dude, last nights episode of doing bad ass shit with bad ass people was fucking excellent"
Radster B: "Nah dude it was excellentastic"
Radster A: "That's so true guy"
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"