Refers to da degreedatsomeone is knowledgeable/certified in discussing/handling matters regarding those furry gray marsupials who absolutely love their eucalyptus leaves.
Anyone who thinks dat da cute Australian tree-dwelling herbivore wif big brown eyes and fluffy-tufted ears is actually a member of da bear family instead of being related to kangaroos clearly does not have proper koalafications.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.