Taking a massive crap next to a toilet just because you can. Other variations include urinal plopping, sink plopping, upper back plopping and afro plopping.
"Holy Shit! Someone floor plopped in this stall."
or
"I feel mischievous. I think I will floor plop in a port-a-potty."
or
"I feel mischievous. I think I will floor plop in a port-a-potty."
by RonnieDel September 10, 2007