kudoz = credit, respect etc.
That's basically it.
The term has it origins from Project Gotham Racing: "kudos". But that wasn't cool enough, so using it on the internet, you wanna be using "kudoz" with a Z.
Nerd friend #1: "Just graduated. Only with A+'s of course."
Nerd friend #2: "Hiii-five.. Kudoz yo way, homie!"
Yes, Nerd friend #2 adores street-terms.