by star&sky May 5, 2009
Get the mastercrap mug.masturbating while doing something else (such as playing video games, watching regular t.v., or im-ing)
by john bowendil March 17, 2008
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"Priceless", as in the commercials for Mastercard.
by Regantelope October 6, 2008
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Get the Masterclass mug.by athony--->smosh October 1, 2011
Get the mastercalling mug.by KennethG October 4, 2014
Get the Masterboater mug.I walked in to see my boyfriend mastercating while drinking a slurpee and eating nachos. He is a multi tasker!!
by Amawee21 May 16, 2016
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