Superlative meaning the best ever. Often
used in tandem with "ever," as in "sickest ever."
Idiomatic expression or interjection indicating
greatness, or any supremely positive expression.
Used without another word.
During an extremely psychedelic jam session by a hippie band, various members of the audience might yell, "Sickest!" After the show they
will call their
friends who didn't make it to the concert to tell them they missed "the sickest ever set tonight,
dude!"