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1.
1) When a girl masturbates by exposing her clitoris with two fingers, and rubbing it with a third finger.

2) Clitoral stimulation
"Dancing with those guys really got me worked-up! I am going home to tweak the bean!"

or:

"Dude, it's so easy to give her an earthshaking nut! Just be sure to tweak the bean, and she'll cum all over the place!"
by richard vendor October 22, 2012