Taking a large ammount of illicit drugs, cutting them and putting them into smaller containers for easy sale on "the street".*

Additionally, the term is also used to describe someone carrying a weapon of any sort and is old school derogitive for anal sex.
* denotes sense used in example.

Adj. (gerundive form, by ellipsis from "to pack heat") Carrying a concealed firearm.

Big Dick

when a lesbian is wearing a strap on dildo while out on the town or doing errands.

haveing a gun

A massive, long penis that is obvious even with loose/baggy clothing. Also impossible to fit into jeans.

1: Concealing a firearm
2: Concealing a Pakistani refugee

Taking a large ammount of illicit drugs, cutting them and putting them into smaller containers for easy sale on "the street".*

Additionally, the term is also used to describe someone carrying a weapon of any sort and is old school derogitive for anal sex.