esky

is likely misspelled.

has no English definition.

As a noun esky

is an insulated picnic cooler, using ice or refrigerated blocks to keep food and drinks cool.

As a noun esky

is (australia) an insulated picnic cooler, using ice or refrigerated blocks to keep food and drinks cool.

As an adjective pesky is

annoying, troublesome, irritating.

As a noun esky

is an insulated picnic cooler, using ice or refrigerated blocks to keep food and drinks cool.

As a verb ensky is

to place in the sky.

As an adjective ecky

is (slang) anything mass-produced and made to be affordable, with no regards to quality or craftsmanship.

As a noun esky is

(australia) an insulated picnic cooler, using ice or refrigerated blocks to keep food and drinks cool.

As a verb espy

is to catch sight of; to perceive with the eyes; to discover, as a distant object partly concealed, or not obvious to notice; to see at a glance; to discern unexpectedly; to spy; as, to espy land; to espy a man in a crowd.

As a noun esky is

an insulated picnic cooler, using ice or refrigerated blocks to keep food and drinks cool.

As nouns the difference between sky and esky

is that sky is a cloud while esky is an insulated picnic cooler, using ice or refrigerated blocks to keep food and drinks cool.

As a verb sky

is to hit, kick or throw (a ball) extremely high.