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

• keep one's eyes off
• keep one's eyes open
• keep one's eyes peeled
• keep one's eyes skinned
• keep one's hands off
• keep one's mouth shut
• keep one's nose to the grindstone
• keep one's shoulder to the wheel
• keep open
• keep out
• keep pace
• keep quiet
• keep step
• keep tabs on
• keep to oneself
• keep track
• keep up
• keep your shirt on
• keeper
• keeping
• keepnet
• keepsake
• keeshond
• keffiyeh
• kefir