by mookmack September 16, 2006

"I was getting tired, so I excused myself from the table and went to the bathroom to blow some yays in a stall."
by T. H. Pine January 1, 2006

by Scott Jackson August 9, 2003

The word Yay is derived from the spanish word llello (pronouced yay-yo) which is slang for la cocaína, or cocaine.
by LiDsY July 29, 2013

by Big Bub Yay Yay November 14, 2009

by Squiintz3 December 30, 2012

person A: "That Vai show was bitchin'!"
person B: "Did he do the Yai Yai?"
person A: "Fuck yea! He was like 'wah wah wah YAI YAI!!!' And then Billy Sheehan played a sick bass solo."
person B: "Did he do the Yai Yai?"
person A: "Fuck yea! He was like 'wah wah wah YAI YAI!!!' And then Billy Sheehan played a sick bass solo."
by D999 September 4, 2005
