Top Definition
Military term used for when the weather is exceedingly hot.
Man, it's piper alpha out there today!
by kr1305 May 27, 2010
A North Sea (UK) Oil rig that accidentally blew up in 1988.

alternatively, the slang term for a typically massive bong of Middle East origins with at least 4 hoses to entertain the purpose of smoking hashish.
'fire up piper alpha dude'
by Emperor Xist January 27, 2006

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.