A girl that's pretty, talented,and smart. Kind of bipolar but still can be nice. Somewhat of a slut but usually pretty cool. Hates guys named Jerome. Loves guys named Bryan. Makes you want her more than you have ever wanted anything.
Military term refers to a ruck sack which is another name for a back pack. May also refer to all of ones personal web gear. To "ruck up" is grab your gear and go!
A rat or someone who will tell it. Someone who has to leave a yard(prison)or take P.C.(protective custody) because they are a rat or they are in trouble with other inmates.
"That ratty lil punk ass bitch is a catch out from every yard he's been on"