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2 definitions by Mealoil

Similar to a Webinar (seminar via the web), except while watching porn and taking care of business yourself.

:To jackoff to online videos, Powerpoints, etc
Dan: Damn, it's hard to stay awake during these webinars

Mike: Bet you wouldn’t have fallen asleep if that were a jackinar.

Dan: no , just my hand would have.
by Mealoil May 14, 2009
an all night session (aka FuckFest), with an overweight women, 2 jars of mayo (or Mayonnaise - Light or regular), and a dirty house slipper.
Mike: what the hell is that smell in your apartment?

Dan: what smell ?

Mike: why is there a wet slipper stuck to the wall?

Dan: LMAO -i was Hoggin' - figured while i was there might as well get a grease kayak all the way.

Mike: That is very wrong!
by Mealoil July 07, 2010