look up any word, like kappa:
 
2.
The way that a previously fast sounding song sounds slow after listening to a really fast song
After listening to A Kiss, by Bad Meets Evil, Fast Lane was on slowdown
by UG-Madman January 21, 2012
 
1.
Another way to say stop being so 'rude'. Used normally by 12 year old chavs.
Chav: Why are your jeans so tight?
Normal Person: They're called skinny jeans...
Chav: Slow down bruv.
by lzyastra May 23, 2009
 
3.
(n) an event in which large groups of people are invited to slow down or even put their lives on hold in favor of a single night of debauchery, celebration, and mayhem
Slowdown at my place tonight, bring plenty of booze!
by high up low down June 11, 2009