april 18

National Anal Sex Day. Created in 1902 and originally called The Gentleman's Trolley.
by Raven_Sanctuary December 15, 2015
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18 and 1

Synonymous with complete failure despite supreme confidence. In perhaps the biggest upset in Super Bowl history, the NY Giants defeated the heavily favored New England Patriots who entered Super Bowl XLII with a perfect 18-0 record. So sure of themselves, the Patriots filed applications to patent the phrase "19-0" and "19-0 The Perfect Season" more than a week before the game, only to have their collective asses handed to them by the Giants.

see also ryan leaf
(failing a final exam despite having an A average going in) Boy, I really went "18 and 1" on that exam.

(losing the war in Iraq despite superior force going in) When will Bush ever realize that we went "18 and 1" in Iraq?
by SaMo Snatcher February 05, 2008
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18 months

a period of time that has been going on for 5 years and is probably going to go on forever.
friend 1: one direction broke up, right?
directioner: OF COURSE NOT! THEY'RE JUST ON AN 18 MONTHS HIATUS.
by niall's new angel March 09, 2021
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November 18

Boy:kiss me
Girl:why
Boy: it’s november 18!
Girl: ohhhh
by GayAssHoe November 15, 2019
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18 and 1

to work at something and nearly accomplish something great, before failing at the end
Jimmy had an 'A' going into the final exam, but did poorly and therefore, went 18 and 1 in the class.

Entemology: The Patriots were undefeated going into the Super Bowl, but went 18 and 1 for the season.
by D. J. (from PSU) February 04, 2008
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Oct 18

Give your best friend your hoodie for the entire day
They must have give it back the next week Oct 18
by Oct 18 October 15, 2019
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February 18

It’s February 18 Lemme grab yo ass
by treshawn February 18, 2022
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