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5.
The holiday that a certain Natural Gas trader calls his own !
"When he stepped into the ring today,May 5th,his collar remained unironed,his wardrobe was wrinkled,his belt missed two loops,his zipper made it halfway up to his waist,and he had a unicorn jutting out from his unibrow.He felt comfortable on this particular day! After all,it was STINKO De MAYO !"
by YX May 06, 2006
 
1.
1. the day after Cinco de Mayo at all the fairgrounds where festivities were held.
2. smelly place
Man the waterfront is going to be Stinko De Mayo tomorrow!
by Bud E Love May 05, 2003
 
2.
1.A day in celebration of the pungent smell in a dorm room of left over nachos, sour cream, corona, and cuervo gold all with the lingering stench of puke, mexican style.
"Happy stinko de mayo, buuuuuuuuick!!"
by Big E April 01, 2004
 
3.
a phrase yelled in spanish class when somebody farts
Bill: (farts)
Bob: awh, stinko de mayo!
by bronxbomber678 August 09, 2006
 
4.
some who doesnt bathe for five days
That crusty fuck pulled another Stinko demayo now he really smells
by mark6 December 15, 2011