Used by many Venezuelans and if you translate it from spanish to english, it means "this" but it is used most times for basically "yeahhh" or "you got it going on!" or "cool"
friend 1 "hey look at my dress, it aint hot? i'm going to the club tonight!"
friend 2 "eso!!"

friend 3 "hey i kissed juan last night!"
friend 4 "eso!!"
by VBlotsathings December 4, 2010
East Side Oakland

See also (NSO) and (WSO)

No one ever throws up south!
"Eso muthafucka!"

"Get off my fuckin turf"
by A'Spades October 28, 2004
murder dubbs, dirty 30s, shady 80s, 9800! the 100s irep the eso!
by sweets2400 April 11, 2008
Eso is Greek, and refers to the Esoteric dimensions of Man existing simultaneously with the physical structure of Man. Specifically, Esoteric = MIND and Spiritual dimensions.

Eso is used as a prefix to other words to cause those words to suggest non-physical parts of Man.
The Esoteric dimensions of Man cannot be perceived by ones brain or physical senses. Esochology is the study of the Eso
by esodoc May 17, 2010
Equiptment Superior To Operator

An error caused by an operator's innability to operate a device or tool properly.
The torque wrench was not broken, it was an obvious ESO Error.
by CrawfishStu October 10, 2006
eso stands for erin street orphans it is the home to 300 students, it’s a very small school but they will not fold , they have the strongest brotherhood!
eso all the fuckn loyal dudes,
by @Tongi.Papi April 22, 2019