Blind Man and Your Dick

Alright, listen up, buttercup. This joke is saying that both a blind dude and your lil' pecker need a dog to get up. For the blind dude, it's a seeing-eye dog. And for you? Well, it's implying your thingamajig needs a "dog" as in a real ugly woman to even think about rising to the occasion. Ouch! That's gotta sting, buddy. You're so ugly that you smell bad too!