There was this one grocery store that was rumored to have secret shopping basket codes (like the hanky code) to tell if a guy was keen to hook up. Something about facing a bunch of bananas downwards in the basket
Never tried it out but did live in that suburb and it was gay central anyway so you could've picked up just by sneezing.
Did you say Andrew?
Nope, I sneezed
Oh, well you wanna get a coffee?
I'm a fan of cringe inducing one liners (Is your name Gillette? 'Cos you're the best a man can get!) which would either way get you a smile.