The shape the hand makes while fisting.
Dude, your mom is soo freaky she begged for the silent duck and now my watch is missing
di Super Flynn 27 novembre 2007
A hand gesture used by those engaging in the act of fisting as a way of initiating the partner
Claire whipped out the silent duck, and immediately Joanie screamed in anticipation and excitement.
di Jebediah Smith 09 novembre 2007