When in a group of people, a silent fart is made by one of the group. Invariably, the smell produces the "Who did that?" quote. When the offending person admits to it, one or more people will let silent but deadlies go, knowing the original offender will be blamed. Thus, the piggy back fart.
(ADJ) When someone makes a joke from your joke and makes it not funny, then they have piggy-backed your joke. The joke usually goes from being funny to not being funny.
When another does an audible guff (fart) and you decide to drop a silent one on the back of theirs and blame them for the offensive odour
Mark: "parrrrrp" Whoops, sorry, couldn't hold it in any longer
Baz: "Pfffst" ... OMG Mark, that smells gross, you got dead rats up your bum Mark: You sure you're not Piggy Back Guffing again as mine don't smell that bad
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.