look up any word, like the eiffel tower:
A version of the word YUP. Used to proclaim and exited "Yes!" or "Yay!".

-also the word YUP! in Ubbi Dubbi

Woohoo Amazing OMG Hooray!
Reah Peah: " You guys are going out?!?!?!?"

Megster: " Yubup! Im so freaking happy!!!"
by reah peah/ megster June 24, 2010