An overly large and ornate "tribal" tattoo. These are generally worn on the upper arms of psuedo metal head jocks or frat boys and are universally frowned upon by the tattoo community (artists and collectors) for being essentially meaningless and trendy.
(Over zealous dude) "Nice ink dude, check this out though"
(apprehensive you) "Sure, lemme see what ya got"
(Still over zealous dude) "I just got this piece done yesterday"
(you sarcastic) "Sick tribal..."