1 definition by John Filan

Top Definition
An actual combination of a flask and a beaker, spout and all.
John was in the lab one day and melted together a flask and a beaker and born was a fleaker.
by John Filan February 16, 2006

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.