pack heat 

To carry a gun on you.

What the heck is going on in Texas that teachers have to pack heat before going to work?

pack heat by smbello October 15, 2008

heat pack 

Pooping on someone's neck. Creating heat from the poop.

My girlfriend just got a heat pack today
Fucking nice bro

heat pack by YaDoctor December 1, 2016

pack your own heat 

BYOG.
Bring Yo' Own Gun, mutha-fucka.

"Yo cuz, yo' know this part-ay is BYOG, you'll get iced unless you 'pack your own heat'."

pack your own heat by Diego September 4, 2003