Used in 2 prominent ways:
1. Used as japanese slang for "Thank you," as 3 and 9 are "san" and "kyu" respectively.
2. Used to reference Hatsune Miku, as the alternate way of saying 3 and 9 are "mi" and "ku" and thus can be used to reference her.
1. Used as japanese slang for "Thank you," as 3 and 9 are "san" and "kyu" respectively.
2. Used to reference Hatsune Miku, as the alternate way of saying 3 and 9 are "mi" and "ku" and thus can be used to reference her.
"3939."
by Hardstuck Internet August 03, 2019

by cholincool August 05, 2008

In Japanese, 3 is "san" and 9 is "kyuu".
In a Japanese accent, "Thank you" sounds like "Sankyuu", people will often use "39" as a way of saying thanks.
In a Japanese accent, "Thank you" sounds like "Sankyuu", people will often use "39" as a way of saying thanks.
by ihaveapseudonym June 03, 2010

by Not a legend 27 November 14, 2019

Emoticon that denotes anilingus. Turned on its side, the 3 becomes butt-cheeks, the 9 becomes a smiling mouth with tongue.
by starved in ph August 06, 2006

the age before 40 and the beginning of the end. It's all down hill from here, girlfriend! Time to put it in reverse and back that ass up!!
by coming up roses August 22, 2009
