1 definition by sunspun

Top Definition
a porno marathon,watching porn for many hours straight.
man i did a pornathon last night and i swear i knocked out ten batches in 6 hours.
by sunspun May 23, 2004
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.

×