Silly topic, but I'm pretty bored today :D
Mine used to smell pretty horrific. Would never consider washing it, mainly because I dyed the fabric black, which I'm sure would then run into the patches and spoil them. But after some of my friends kept on commenting on the aroma, I cut off a chunk off the armpits, and since then the smell has been much reduced! Still a bit whiffy, as you'd expect, but no longer putrid :p
So yeah, how stinky is yours? Are you one of those people that commits the sin of putting their kutte in the washing machine, or does yours have years of sweat and festival dirt festering in the fabric?