your face when your friend fails a test.

i feel moist

black man gets out of the shower

Having a post-nuclear disaster shower

Two headed man is scared of potato, thus is moving relativily quickly leaving behind lines representing dashing

two headed man escapes from a potato because he/they is/are scared. I don't know if it's one or two persons, because there's two heads

Two headed guy next to guy with chicken pox

Only people with one head get chickenpox

Chicken Pox man is jealous of 2 headed man