A tattoo, usually script writing or Olde English font, of a person's name on the neck. Found between the clavicle and lower jaw.
Damn dude, did you see his hood stamp? He got his baby's mama's last name. Shit is crazy.
Scar or battle wound earned in a fight
"damn, check out that hood stamp on Jack!"
"Yeah, he got it from a tangle with the big man up the street"