The sound that is made when you have let a gigantic piece of feces, poop, shit, or crap fall out of your butt and into the toilet. Mostly likely the poop has been held in for a long LONG time.
When can I use the bathroom? In a minute. Ploop! Uh oh! What? We gonna need a new toilet! EWWWW!
by thundershck October 06, 2010
aka Ploop! and can accompanied by an index-finger-tap-in-the-air hand gesture, can mean, 'so there!' or 'there you have it...,' a colloquialism brought to fame by Real Housewives of Atlanta's Nene Leakes on Andy Cohen's show Watch What Happens Live.
And I told Kim was was up! Ploop!
by psychicpopstar January 23, 2011