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1.
The act of defecating in the upper tank of the toilet. When the next person flushes the toilet they get a bowl of beef stew. Should only be used on people who deserve it. Also known as an 'upper decker'
That little prick was all drunk and ended going up top.
by munkyxtc March 26, 2005
 
2.
The act of climbing to the top rope in the corner of the wrestling ring in anticipation of performing a high-flying move like an elbow drop on an opponent. Coined by Macho Man Randy Savage. OHHH YEAH!
::point to ceiling and spiral finger upwards:: "GOING UP TOP!"
by QuikChris September 21, 2008