That chewbacca grrr sounding noise Jakey makes when he is angry, annoyed or trying to fake being pissed off to the 'lads' & Panda.
Panda: <insert something annoying here>
Jakey: wurrr ahrrr warrr arrr
Panda: Aww Jakey you're such a fluffy wookie
Jakey: I'm not a fluffy wookie