Pertaining to the Philippines or Filipinos.
When Mario Lopez realized that Team Millennia had Filipino members, he immediately acknowledged, "Pinai in the house!" while raising the roof.
by Steve Wizzlez October 27, 2008
A quadruple reed instrument from Thailand, that you have to blow really hard to play. Therefore, it may be used as a metaphor for a really hard blowjob, or anything relating to hardness. Also called Sralai in Cambodia, where things happen to be fucked up.
"Oh my, he expects me to blow him harder than a Pinai"
by VietGuy39 February 12, 2015