To exhibit extreme excitement or over-enthusiasm.
He was so chalky about landing a date with his crush that he could have pissed rainbows.

"I'm chalky about the grilled cheese I have for lunch today. I freaking love grilled cheeses."
by Dat Good Good March 19, 2013
In sports: when there are very few upsets in an playoff system/bracket/tournament
"Last years NCAA Bracket was very chalky"
by Stonecutter January 05, 2008
A person who thinks they are black, but are actually white. I.e. White chalk on a black chalk board.
"He's a chalky", "Look at that chalky."
by Joe December 11, 2003
a man in his early forties, runs a carpet store in newport shropshire.
CHALLLLKY!!!!!!!!!!!! Challlllky!!!!
by sloggi lover March 30, 2004
A lovable pup
and a dear friend of coz.
Oh Chalky, don't fill up on sweets!
by jpars99 March 23, 2005
Artists that draw on sidewalks or other surfaces with chalk; either by children or credible street artists. Chalk art by children are random drawings for fun, but Chalk art by actual artists can be extremely detailed and there are various styles, competitions and 'battles' with chalk sidewalk artists, making it a respected medium; prominently in Tacoma Washington where battles (also known as chalk-offs) have become a weekly event in Frost Park for the last few years.
" Jeez, these Chalkies are getting annoying. Damn kids better clean this up."

"Wow, Spim is an amazing Chalkie! He won the chalk-off again three weeks in a row. Look at the fucking detail in his work... amazing."
by PDXJohnny99 July 14, 2013
Artists that draw on sidewalks or other surfaces with chalk; either by children or credible street artists. Chalk art by children are random drawings for fun, but Chalk art by actual artists can be extremely detailed and there are various styles, competitions and 'battles' with chalk sidewalk artists, making it a respected medium; prominently in Tacoma Washington where battles (also known as chalk-offs) have become a weekly event in Frost Park for the last few years.
" Jeez, these Chalkies are getting annoying. Damn kids better clean this up."

"Wow, Spim is an amazing Chalkie! He won the chalk-off again three weeks in a row. Look at the fucking detail in his work... amazing."
by PDXJohnny99 July 14, 2013
The most sexiest man I know.
Chalky is so hot i want to eat him for breakfast lunch and dinner.
by Outtahere January 23, 2004
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