Thank you

ty!

Thanks

Knock knock. Who's there? Your mum.

gracias

Thanks! Dzięki!

a "Roman" walk into the bar, holds up two fingers and say: five beers please >.>

Thanks!
As for the joke,
My girlfriend yelled at me today saying, "You weren't even listening just now, were you?!"
I thought, "Man, what a weird way to start a conversation."