What is the meaning of よう?

volitional: expressing one's will or intention to do something

hortative: inducing or stimulating other person to do something

volitional: followed by する (to suru): to try to do; to attempt to do

followed by する (to suru): to be about to do; to be on the verge of doing

suppositional: expressing what is likely the case

whetheror

A very informal greeting similar to yo.

A very informal (rude) interjection similar to hey.

Alternative form of よく (yoku)

Source: wiktionary.org