What is the meaning of Uk?

ISO 639-1 language code for Ukrainian.

Initialism of “you know”.

small child, tot

water

wine

smoke

to blow

alternative form of ok

also, too

likewise, as well

old man

camel

seven

also, too, as well

also; too

brain (organ)

brains (mental ability)

mind; memory

Source: wiktionary.org