Refers to merchandise that you pick up for someone else while shopping for your own items, either because this other person is unable to travel to the store himself, or because he is not a paid member of the big-box outfit where his desired items are offered, and so he has asked you as a member to obtain the items for him at the warehouse's bulk-package discount.
I don't buy enough household consumables to justify the $89-per-year membership-fee that Sam's Club charges, so I just piggyback-purchase them through the large family down the street.
by QuacksO July 23, 2018
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Refers to what you request when you hurry over to a neighboring property where someone with a plow-equipped 4X4 is clearing out the homeowner's driveway; you schuper-schweetly ask if he would please come by afterwards and plow you out, too, since he's in your area, anyway.
Requesting piggyback-plowing is often a great way to save big bucks on winter snow-removal, as opposed to having someone actually make a special trip to drive several miles to your house to plow you out; if da task involves just maybe one to three "sweeps", da truck-driver may even do it for free.
by QuacksO March 4, 2019
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Riding on someone’s back like a horse. It can give sexual stimulation, but isn’t considered a sexual act.
Me: I don’t have anyone who I can ride on, so i give my self a piggyback by humping my pillow.
by Nion_YT January 17, 2023
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Riding on someone’s back like a horse, it gives sexual stimulation, but isn’t considered a sexual act and more of a playful innocent act.

Men can do this without being considered gay.

Doing it with an object like a cushion, pillow, or toy horse is partially considered masturbation.
Children do this too.
Me: ( explaining my fetish ) I only get sexual stimulation from piggybacks
by Nion_YT January 17, 2023
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Throwing up on your girls back during doggy style.
Bro last night was sick! I gave my girl a frothy piggyback!
by Scout 23 April 26, 2016
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When you fuck a girl and her mom. Essentially you are piggy backing from one taco to the next one in the family.
I pulled off a piggyback taco when I fucked my girlfriend's mom.
by Frank Vegas July 15, 2017
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