A gash bonanza is to a disproportionately large number of women at a given event as a sausage fest is to a disproportionately large number of men at a given event.
by Kitty McStabbe April 07, 2010
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When you live in a fancy neighborhood where your neighbors don't think you belong, so you have a massive cookout and decorate your yard so after that day there is no doubt in anybody's mind that this is your hood now.
by Sideways23 April 28, 2020
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Spending an unnecessary amount of time in the bathroom to prevent your roommate from using it. This is often a subtle form of revenge for those who are unfortunate enough to live with a rude slob.
Last night, I had a bathroom bonanza around the time my roommate usually gets ready for bed. I hid out in there for an hour - showering, and getting ready for bed myself although I stayed up for hours afterward. I painted my nails for the first time in months, admired my new tattoo in the mirror and enjoyed some relaxing BBM time. Maybe now she's thinking the same thing I am... BITCH SHOULD'VE CLEANED.
by snolan March 23, 2011
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Defined as an occurance when excessive pressure is built up in the colon causing a rectal explosion of fecal matter and intestinal juices. Then outside participants join in pounding said exploded ass with all manner of blunt objects including pants anacondas, broom sticks, and cacti.
Outside of the taco bell my diarrhea caused an ass bonanza as hundreds of mexicans pounded me senseless following the gaseous explosion of my rectus.
by Lord Commodore January 25, 2005
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N (1) : Cocktail, consisting of one pint of Guinness with a shot of Kahlua or Tia Maria and a half a dozen M&Ms or Smarties. do not stir.
N (2) : Anal Intercourse Party or frenzy.
N (2) : Anal Intercourse Party or frenzy.
(1) Would you like to come back to Jim's house for a Backdoor Bonanza?
(2) Would you like to come back to Jim's house for a Backdoor Bonanza?
(2) Would you like to come back to Jim's house for a Backdoor Bonanza?
by Tones the Knowledgeable November 17, 2003
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by Brown Bonanza March 14, 2015
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