Sickety Whack 

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.

Sickety Whack by Scotty2127 July 9, 2007

Sickety Whack 

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!"

Sickety Whack by Scotty2127 December 14, 2008