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The act of masturbating the male member while pleasuring one's self anally with the opposite hand.
Steve expressed extreme agitation at spraining his left wrist; he realized that he would be unable to caseybate to Ricky Martin videos anymore.
by Ronchetto December 06, 2005
The act of masturbating with one hand and fingering yourself in the ass wth the other hand.
Steve was quite agitated when he sprained his wrist, for he could no longer caseybate.
by Ronchetto December 06, 2005