Top definition
1. Ridiculous (whack), yet awesome circumstances
2. Agreement that something is ridiculously awesome
3. Stating something is ridiculously awesome
4. Synonym of Bomb Diggity
T. The maths exam was cancelled
K. Sickety Whack

K. Saw a 67 fastback mustang
T. Sickety Whack

K. Had the most Sickety Whack weekend.
by Scotty2127 June 13, 2007
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
The bomb diggity, the most awesome, Extremely good (Sick) yet different (Whack). Extremely favourable circumstances.
T "I saw a fully pimped ride yesterday"
K "Sickety Whack"

K "The maths exam has been canceled"
T "Sickety Whack!"
by Scotty2127 March 14, 2007
Mug icon

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the shirt