Wait, you said a Shirt.Woot-OFF? You didn't say, "Take your shirt off"? Oh my, this is so embarrassing! But you can understand the mistake, right? After all, they both involve the word "shirt" and the word "off." I mean, you don't just go around saying those two words without a guy taking his shirt off once in a while, am I right?
Why are my pants off? Well, I mean, if I'm taking my shirt off... C'mon!