When you eat too much Mexican food and you are trying to hook up with a girl but your ass has other plans.
Tim went on a date with Megan to Taco Bell, two hours later they went to hook up but he got guac-blocked.
by Shittychonga July 26, 2009
A term used to describe a a common party foul in which one person obstructs another person's pathway to the avocado dip by standing idly by the snacks.
by dcthriller January 22, 2012
When you're at a party and all you really want is to get some guacamole dip and chips, but one of your fellow party-goers is drunkingly blocking your path to the guac.
Sarah had gotten her drink and was ready to get some snacks, but unfortunately she was guac-blocked by Cody, who had moved between her and the food.
by LRob September 11, 2007
by AFatKidStoleMyBike January 3, 2010