Pillicock sat on Pillicock-hill: Halloo, halloo, loo, loo!

– William Shakespeare

King Lear, Act 3, Scene 4. Still feigning madness, Edgar as Poor Tom sings part of an old song while on the heath. "Pillicock" was both slang for penis and a term of endearment for a man or boy. Pillicock hill is a term for the female genitals.