From Star Wars: Knights of the Old Republic
[near the end of an argument about grooming Zaalbar, Mission claiming that he looks scruffy and is begin to show gray hair
] You don't trim a Wookiee! You don't color a Wookiee! And you certainly don't dress a Wookiee!
I know Wookiees aren't into the whole clothing thing, but you could start a whole new trend! You'd be on the cutting edge.
Rargh! Leave me alone!
Okay, okay, sheesh! Try and offer some constructive criticism and this is the thanks I get? Let's move on. You can stay naked and scruffy for all I care