Cash me ousside, meaning "catch me outside", is a term meaning to go outside with someone and fight them, rather then doing it inside where they will cause too much commotion.
Billy: Cash me ousside howbow dah
Tommy: Ok let's go fight!
Sarah: Your so stupid looking in those uggs, yoga pants, crop top, and choker.
Hannah: Cash me ousside howbow dah
Sarah: Ok let's go! I just got my stiletto nails sharpened.
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.