How would you respond?

[Canadamus Prime]

I'd probably give the guy a funny look and say "uh... thanks?" and then continue walking.

 

[TOTL_UNIALAYSHUN]

Thank you, you smell like my hairy asscrack. Try some deodorant.

 

[Luisen123]

"It's not like a took a shower for you or anything."

 

[Jezzascmezza]

There'd be a really uncomfortable silence, followed by me going "BLAAARRGGGH!" and firing a laser beam at him out of my mouth.

 

[Betancore]

I'd be a bit weirded out, but I'd just say 'thanks' and move on. Unless he wanted to continue the conversation. In which case, I'd ask him if he valued cleanliness a great deal. He would then probably try to sell me religion.

 

[The Rockerfly]

Thanks, that's the smell of blood buddy

 

[ArseRocket]

I'd tell the men in white coats that he's over here.

 

[Au Naturel.]

"I am clean. Have a good day, sir!"

 

[Regular Guy]

"That's kind of a creepy thing to say."

This while preparing myself mentally to punch him in the throat and leg it if he pulls a knife or something.

 

[Xojins]

I'd say "cool" and then walk away.

 

[Billska]

-Takes out sunglasses-

"Well, my mother always told me...."

-Puts on sunglasses-

"To wash behind my ears."

YEAAAAAAAAAAAAAHHHHHHHHHHHHHHHHHHHHHHHHH!

 

[Jedoro]

"Thanks."

Not much to say to that without coming off as rude, insane, or gay.

 

[kouriichi]

Id punch him in the teeth and quote memorable meme's like, "YOU AINT GOT NO PANCAKE MIXZ" or, "F*ck yo couch!!"

 

[TheEnglishman]

"Thank you good sir." *tip hat*