Originally a phrase used when an alcoholic resumes drinking. The wagon is presumably the high school or college band wagon. In the 1950s, schools used to hold pep rallies for football teams. Often the music band would be on a wagon and the enthusiastic students would hop on the wagon. Alcohol was not allowed on the wagon. The phrase "back on the wagon" refers to one who quits drinking and hops on the band wagon, with a positive spirit, supporting the team and school. In other words, one who is happy to not drink. Relapsing into alcoholism is often sudden and unintentional, hence the description of falling off the wagon.
I guess John fell off the wagon last night, he was hammered.
by ScottDMF October 9, 2015
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An act of which a most un-intellegent person who has indulged in syntetic narcotics wigs out after feeling like they are O.D'ing. Often the subject/spanner who is "falling off the dragon" Will be found flat on their back making pirate like noises. A person who has fallen off the dragon can be revived simply by pouring cold water on them.
Person 1. "Oh dear, looks like Tony has fallen off the dragon" Person 2. "what makes you say that?" "Person 1. "he is lying on the floor screaming like captain blackbeard"

Tony "hey guys, sorry I fell off the dragon last night, too many sunthetics Im affraid."
by crakas May 13, 2013
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phrase used when you do something so good to get back at an ex. typically used when you pop off on insta so hard that you are leaving your ex absolutely shook. a phrase used in only the most sh00k situations, usually with the purpose of adding emphasis.
friend 1: “biiiiitch did u see my recent ig pic??”

friend 2: “ya hoe, literally his dick fell off”

friend 3: “literally FLEW off”
by skisudihcjdusiaicus June 30, 2019
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1. (Phrase) meaning something was close to happening but either failed, was discontinued, or naturally dissipated.
Chloe: We talked and things were going well and then it just kind of fell off the fork.

Stephen: Honey, it was never on the fork to begin with.
by srmj17 October 21, 2019
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A reply generally given by bentnose boys to the law-abiding consumer to convince them goods are legit. Now often used sarcastically to refer to stolen goods.
Lula Mae: This TV is very affordable. It's not stolen is it?
Vinny the Mafioso: Nah, it fell off the back of a truck
by oz November 8, 2003
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