like tromboning, but for girls. said so because in order to give a girl hand fun from behind you have to move your hands like you’re playing a castanet.
guy 1: has your girl tromboned you yet?
guy 2: naw, but i totally castanetted her last night.
hand held device used in flamenco dancing to make a tapping sound.
flamenco dancers use their castanets to tap along with the music.
the female gentialia. frequently found in conjunction with “tuna”.
she had a great pair of tuna castanets.

samantha was a keen player of the tuna castanets.

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