The coolest of the cool. In 1987, James Hetfield, lead singer/guitar player for metallica, was the embodiment of cool. Awesome personififed. Can be abbreviated as '87. Used by The Dillinger Escape Plan and others in the know.
That shirt your wearing is totally '87 Hetfield.
Cooler than cool, The pinnacle of awesomeness
Dude, that backflip off the garage was totally 87 hetfield