Top Definition
Kicking cinder blocks (or other large, dense, heavy object) down steps.

Preferably performed in the early hours of the morning (3:30am ~ 5:30 am) after a night of heavy drinking. Most often takes place in fraternity houses or other housing facilities where many college aged people live.
You need to stay after meeting so we can discuss an incident that happened last night which we hear is called "extreme slinky".
by Phil1349 June 18, 2008

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