To have a look for something. Often mistaken for Ganda.
Originated from Bristol aka Brizzle
Ie. 'Yoo bro you got any m&m's? I proper got the munchies lol'
'Yeah mate I think so, lemme have a quick ganza'
Or
'Oi brudda check out this Piff Suzy girl I'm talking too'
'Is that you yeah?! Let's have a ganza/ ganz'
ganda piff