Top Definition
What would be the female option of a rusty trombone. In this version, the same anal stimulation is made while the focus is not so much on large and roubust stimulation of the shaft, but the slight and technical motion of the compact button or clitoris.

It was my birthday, so Adam gave me a rusty piccolo for the occasion.
by Kim.o.Licious January 14, 2007
When a man or women is giving a blowjob and the person receiving urinates in the persons mouth and the person spits it back out on to the peepee like a piccolo getting rid of the spit
man"I want a rusty piccolo" man or women "Whats that?" man "just give me a blowjob and you will find out" man or women "ok"
by Cheese Wilson February 07, 2010

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