Definitions by Esh Bro Timbo

eshest 

sydney slang
meaning good - actually the best or most good u can get
reserved from majorly good things
for more on this word check out eshays

so eshest is to eshays as
sickest is to sick (meaning good)
also esh as shortened version of eshest

shes the eshest chick i ever saw

or

or esh bro (meaning sickest / best bro)

eshest by Esh Bro Timbo December 10, 2006