Pinky Size Theory

Okay, listen up, buttercup. Explain bear here. You see that picture of a finger? The words say someone thinks pinkies are small because they fit in... *ahem*... certain body parts. The joke is taking a random anatomical fact (pinkies are small) and linking it to a completely ridiculous, vulgar, and physically impossible reason. It's like, 'Why are clouds white?' 'Because they're full of milk!' See? Except way dirtier. You probably thought pinkies were for fancy tea parties, didn't you? That's a based fact about you.