The acronym givin to 'hot chicks' seen out of a school environment.
Cooler Than All The Chicks At School
Sometimes the final letter of the acronym can be replaced by the first letters of the name of a school.
eg: CTATCA*BH*
BH = Balwyn High
guy 1: saw a totally smokin chick at the movies
guy 2: was she CTATCAS ??
guy 1: fo sho brother!
to go hunting for good looking males or females, sometimes the "treasure" can be known to you, and other times you could be looking for some fresh meat.
girl 1: there is no good eye candy here
girl 2: yeah i no lets go on a 'Treasure Hunt'