ése

Etymology
.

The slang sense to refer to a person is, allegedly from urban legend, from and became popular slang in pachuco culture.

Pronoun

 * 1) that one (near you)
 * 2) the former
 * 3)  dude, guy, pal, man, buddy

Usage notes
The slang sense can be used in any connotation, from affectionate to neutral or pejorative.