noun or verb - Abbreviation for 'solo laugh party'. When someone starts laughing by themselves for no apparent reason.
Hannah remembered something funny and started to slp. Her friends stared at her, unsure of why they were hanging out with her.
by bobloblaw March 05, 2012
by .nmn November 17, 2022
by Ronald Dregan November 13, 2007
by hamsauce June 12, 2008
Pronounced SLAPS. Sack Longer than Penis Syndrome. When your ball sack hangs longer than your penis.
by SLAPS23 May 12, 2011