a medicinal jack-off performed while you are so hungover that you can not get out of bed to enjoy your vacation.
"Jay drank so many Anally Bleached Annihilators that he laid in bed all the next day as his friends enjoyed the beach. To make himself feel better...he pulled a Jay. Thus....Pulling a Jay!"
by John Lee Boy June 18, 2007
to pull your dick out and start urinating at any random time, not caring who is around or where you are.
"my friend and i were just standing around and all of a sudden he whipped it out and started pissing" also known as "pulling a Jay"
by death_dealer2011 February 06, 2010