Definition of "plop" [plop]

• To fall with a sound like that of an object falling into water without splashing. (verb-intransitive)
• To let the body drop heavily: Exhausted, I plopped into the armchair. (verb-intransitive)
• To drop or set heavily, with or as if with a plopping sound: plopped the child into the stroller. (verb-transitive)
• A plopping sound or movement. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "_plop, plop, plop_ -- like the feet of a moose falling in shallow water -- sounded from the shore below, where Simmo was concealed."
• "After the same voice declares the size of the winnings (for instance, "medium"), the kettle inside the glass case begins rattling and shaking, and to the sounds of popping corn, slotto balls plop from the cooker and land in a tube, revealing the exact number of bonus credits — all of this supposedly being a great incentive to keep playing."
• "Down in the creek pool, underneath the road, I heard a loud "plop" -- indicating that I had surprised and disturbed something that had previously been minding its own business there on the nice, warm banks."