(Verb) The unsavory practice of a man sticking his cock in both a woman's vagina and asshole without washing his cock in between orifices. Oftentimes is the case this dirty bird will alternate between the two without any consideration of the health hazards he is potentially placing on his receptor.
Shut-faced drunk Kevin was throwing the cock to Betsy with reckless abandon and throwing caution to the wind doin a little double dipping action as he slid his cock first in her asshole and then her vagina and continued to do so in no steady order. Being one if her many 'trusty-rusties' Betsy could tell whenever Kevin was about to cash in his chips, so when that came about she quickly pushed him out of her and proceeded to polish his knob so that she wouldn't seem so slimy to her current boyfriend if she had to go and put up with his shit later. Plus being a semen depository for so many sometimes gave Betsy a not-so-fresh feeling inside, and smelled pretty funky outside as well.
by Nikki Stixx November 17, 2020
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Verb: the act of re-dipped a previously bitten out of chip or vegetable.

It is considered an offense in many households, and many parties.

Origin: a Sienfeld episode in which George Castanza double dipped a chip, to the dismay of a party-goer.
Party-goer: What are you doing?
George: What?
Party-goer: Did... did you just double dip that chip?
George: Scuze-me?
George: Double dipped? Wha-what are you talkin about?
Party-goer: You dipped the chip, you took a bite... and you dipped again!
George: So?
Party-goer: THAT'S LIKE PUTTING YOUR WHOLE MOUTH RIGHT IN THE DIP! Look, from now on when you take a chip, just take one dip and END IT!
by iamnobody00 May 17, 2009
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Past tense of dipping a chip twice into dip.
from Seinfeld:
"Did you just double-dip that chip?"
"Excuse me?"
"You double-dipped the chip."
"Double-dipped? What are you talking about?"
"You dipped the chip, you took a bite, and you dipped again."
"That's like putting your whole mouth right in the dip. Look, from now on when you take a chip, just take one dip and end it."
by johnny December 24, 2003
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past tense: double-dipped
When the male participant in intercourse between a heterosexual couple inserts his penis into the vagina, then anus, then back into the vagina again. Advisory: can cause urinary tract infections for both partners.
Joe: aw man, shouldn't have double-dipped with my girl...
Steve: why?
Joe: both Suzie and I now have urinary tract infections
by spang-dangled March 4, 2019
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Double dipping is a generally frowned upon act where a person at a party with snacks dips a chip he/she has already taken a bite out of into the dip a second time.

It has nothing to do with anal-to-vaginal sex >(
People who double dip (BOTH definitions) are unhygienic douchebags.

Srsly. Double dipping is just plain gross.
by Mary_Joanna February 8, 2011
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Favorite behavior of crude diners. Involves dipping your crudite or corn chip into a sauce, taking a bite from the veggie or chip, and then re-dipping the half digested item back into the sauce

Made famous on Seinfeld some years back.
Sign at country fair food stall: "DO NOT DOUBLE DIP!"
by ignor September 19, 2004
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To redip a chip after biting (A big no-no)
by Genku July 29, 2003
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