1. Act of sexual intercourse standing, usually in an alleyway or against a wall, with the man standing and the woman's knees raised

Derived forms: knee-tremblers

• phonon
• phonophobia
• phony
• phooey
• Phoradendron
• Phoradendron flavescens
• Phoradendron serotinum
• phoronid
• Phoronida
• Phoronidea
• phosgene
• phosphatase
• phosphate
• phosphate buffer solution
• phosphatic
• phosphaturia
• phosphene
• phosphide
• phosphine
• phosphite
• phosphocreatine
• phospholipid
• phosphonium
• phosphoprotein
• phosphor