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1.
Attempting to defecate discretely when your love interest is present.
My girlfriend was spending the night, and I had to take a dump, so I had to execute a covert plop.
by NCHawk November 30, 2010
 
2.
A game played in a public restroom where two people poop as quietly as possible in order to avoid detection.
Dude I was in the bathroom playing covert plops and I accidentally let out the loudest fart ever and blew up my spot.
by DoublePenetrationHolloway February 20, 2007