Slark

Adjective: Slark is an exclamation of excitement, joy, or encouragement, often used to cheer on others.

Closely related to the slang definition of "slay," slark is an accepted alternative to slay for certain online communities. Its use varies and depends heavily on context but is universally appreciated. Slark can also be used to confuse "non-slarkers" into believing you are making up a word; don't be fooled, however, this word is entirely legitimate.

"Oh. My. God! Have you clocked Clark's new dress? It's so slark!"
"This Starbucks six-shot espresso with sixteen pumps of cinnamon is completely slark!

"Mark's personality is just not slark, I feel like it doesn't suit him."

"You better slark today, slark sister!"