What is have a crack?

To try and pick up someone

Hey claire are you going to have a crack at michael?

have a crack - video

Have a crack - what is it?

Australian slang term for having a go at it
Derives from the phrase “have a go”

“have a crack at it mate”
Meaning to have a go at it

By Blake

What does "have a crack" mean?

Aussie slang meaning to 'give it a go'

Aww, that jigsaw puzzle doesn't look too hard... Let me have a crack at it!