An impromptu defecation involving an individual (esp. male) who chooses to urinate in a seated position.
Dude, sometimes I just like to pee sitting down because not only is it more relaxing and hygienic, but you never know when the 1.5 will show up.
by Will "Cool Whip" Wheaton February 22, 2010
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Pee is 1, and Poo is 2, so 1.5 is diarhhea. Not quite liquid, not quite solid, but everyone's favorite.
by florentina November 05, 2003
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The only awesome song in the world called 1.5
Bob: Have you herd the song 1.5 by 21 savage?!
Kevin: No, not yet

Bob: You should It's pretty dope it will make you addicted
by lmao_31 April 10, 2019
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Usually referring to a man's dick game; When its better than A 1

See definition of A 1
His dick game was A 1.5, totally the best sex of my life.
by Stitchaholic March 21, 2017
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a better version than 1.4, i prefered beta myself but hey, times move on
Hobo V1.5 is better than Hobo V1.4 and MUCH better than Hobo V0.9b
by hex_ten November 23, 2003
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The act of taking a piss out of your ass, usually after a night of heavy drinking. Its a combination of taking a #1 and #2 out of your ass at the same time.
Damn, I drank too much last night and now I gotta take a 1.5.
by DR. DISTRUCTO June 29, 2010
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