look up any word, like cunt:
 
1.
when somethin needs to be said outloud so every can here; opposite of low key
aye high key tho, that female is extra fine
by H-Weezy January 02, 2009
 
2.
The opposite of Lowkey.

Straight up.

The truth.

Stating truth.

Obviously.
"That bitch be hella fine!" - Bro

"Highkey bruh! Look at that ass!" - Homie

"Im tryna smoke yo" - Stoner

"Want some tree?" - Dealer

"Highkey." - Stoner
by King Perlow March 09, 2012
 
3.
when someone or something is riskayy and/ or likely to get caught in the act opposite of low key
Drinking a keystone with a car full or people blasting music with the windows down late at night is high key.
by smelly1222 October 26, 2008
 
4.
High-Key
If we say a painting is "high-key" we mean that most or all of the image is light or pale in value. For example, colours mixed with white, called "pastels" or "tints", are high-key. It's the opposite of "low-key", of course.
"That painting is very high-key!"
by LeonaLejon June 23, 2005