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1.
the act of one sticking a reese cup up anothers butt
byron was passed out drunk so some ramdon marine girl buttercupped him.
by jasenroush February 18, 2008
15 19
 
2.
The act of getting snuck up on from behind and spied on - unauthorized lojack of information (especially when one's boss is a ButterCup)
Joe was sitting at his desk working and his boss buttercupped him as he was browsing the internet.
by ReeseCup11 September 17, 2008
7 16