sliding your hand between the crack of another person's butt when they are bending over, imitating the swiping of a credit card.
At soccer practice, Matt gave Dave a MasterCard and we all got punished
by William Henry Wallace February 8, 2009
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"Priceless", as in the commercials for Mastercard.
Girl 1: Did you see that girl's face?
Girl 2: That was sooo mastercard!!
by Regantelope August 5, 2008
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The 3rd greatest invention ever. Spend all your money without carrying it round! Can be used to buy nearly everything, except da 1st gr8est invention (weed). Even if u get mugged, u can stop da fuckerz frm spendin yo $$$$'s.
Daughter: Daddy, I need $500!

Pisst of Father: Just take the card and spend as much as u want!

Daughter: yay!
by ultimate_pisshead August 23, 2005
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If something is Mastercard it is priceless. Can be an incident or moment. Can be replaced as a "kodak moment".
When someone falls flat on their butt in mud, instead of saying it is priceless, you say its MASTERCARD!
by Brittissoawjor8273 June 23, 2007
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An event that would be appropriately defined as "priceless". This is not to be confused with a "Kodak Moment" because not all Mastercard Moments should be seen again.
"Did you see that Barista glare at me? I laughed so hard I was crying. It was a Mastercard Moment."
by big jimz May 27, 2009
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A person who can be employed in any social situation, someone who can twerk through carnival just as easily as chat to your Nonna
e.g. take Emma with you, everyone will love her, she's a social mastercard
by Tori133 October 19, 2013
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When somebody's nipples are so large that they overlap in the middle like the Mastercard logo.
"Bro, you know I don't like to go to the beach. I can't take my shirt off, I have Mastercard nips!"
by Beak Tenderloin February 4, 2020
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