Physical reaction to a disturbing thought or image. The thought itself makes one physically pucker their ass muscles due to the actual thought.

Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.

When someone sticks their finger down the crack of their butt and then swipes it across someones nose. Same technique as a wet willy. Pronounced But-twilly.

The act of placing one's finger into another anus for the playful enjoyment of one or multiple individuals. The finger may be licked prior to insertion similar to the Wet Willy procedure. However, due to the decreased accessibility of the anus the wetting of the finger is not imperative.