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2.
Another word for 'slacklining'. Slackin, or slacklining is walking and tricking on 1" or 2" webbing stretched between to fixed objects.
I was slackin the other day and busted a huge air.
by SD_Slacker_James January 28, 2010
 
1.
Other word to being lazy
U got that song done yet?
no!
man u slackin...
by Lil Swisher April 06, 2008
 
3.
Another word for having sex. Mainly used around Southern Cali.
Kelly and me were slackin all night.
by Young Stunna June 03, 2006