how bout'

A way to say about.

How bout' we help with my dog's foot.

catch me outside how bout dat

A way of describing that you want someone to fight you.

Often used by normies.

Person: Bro, why you talking shit?
Normie: CaTcH mE oUtSidE hOw BOuT dAt

How Bout Them Bagels

I can't tell you man...

Friends "How Bout Them Bagels"
You "WTF does that mean"
Proceeded to have an hour long argument on the meaning

There is no meaning

How bout now

How about now?

How bout now?