Adj. Very early in the morning. Truncated form of 'at the crack of dawn'.
As we had a 12 hour car journey ahead of us, we had to be up at the crack.
by AdamR December 30, 2008
Get the at the crack mug.
1. A term to motivate an idividual or group of people to get on with a task in hand, especially after being demonstrated or explained the task first

2. Cathphrase of Mick Sugden
...so that's how it's done, now crack on
by S***Y October 21, 2004
Get the crack on mug.
Late 80s and 90s.
To make fun of someone or something.
He likes to crack on people who wear high-waters.

He was gettin' cracked on in class.

They were cracking on her giant nose.

by Sultan Yaacoub March 11, 2008
Get the crack mug.
Undertaking sex work, working as a prostitute. (1970s Australian slang)
Sarah is cracking it for money to buy drugs.
by Dr Merkin September 28, 2008
Get the Cracking it mug.
A term used to reserve one's seat while visiting the restroom, dancefloor or bar. Short for "Crack Crack Seat Back"
Fo' shizzle, I godda piss! crack crack.
by LloydG July 18, 2006
Get the crack crack mug.
Something you should never step on when you're walking on a sidewalk or else you'll break your mother's back.
7 yr old: "I dare you to step on that crack!"
Other 7 yr old: "Nah, I don't wanna break my mom's back."
by soowutthegreat January 23, 2021
Get the Crack mug.