when you know just enough about a topic or subject to mention it but don't know enough to elaborate on it.
I started telling my friend about how the James Webb telescope was finding galaxies so far away that they shouldn't exist but then realized I was being an American Jackass as I tried to explain the findings further.
by Traveling_Ace October 13, 2023
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Left Lane Jackass (LLJ): A person driving in the left lane on a highway either at the speed limit or usually slightly below the limit AND the following conditions are present: 1) Another car or cars is behind them wanting to go faster; 2) The person driving is completely unaware of his or her surroundings.
The following conditions are not necessary for the definition, but are frequently observed: There is a blinker flashing and the driver is completely unaware of it and has no intention of changing lanes, and 2) The driver may be talking on a cell phone, putting on make-up, or daydreaming.
Supporting evidence includes: The drivers behind the LLJ appear pissed off, and 2) drivers behind the LLJ are usually tail-gaiting and flashing their lights, however, this usually has no effect, due to condition #2 of the definition.
The following conditions are not necessary for the definition, but are frequently observed: There is a blinker flashing and the driver is completely unaware of it and has no intention of changing lanes, and 2) The driver may be talking on a cell phone, putting on make-up, or daydreaming.
Supporting evidence includes: The drivers behind the LLJ appear pissed off, and 2) drivers behind the LLJ are usually tail-gaiting and flashing their lights, however, this usually has no effect, due to condition #2 of the definition.
Passenger: "Hey, is there a traffic jam ahead?"
Driver: No, it's another left lane jackass.
Passenger: Just get a little closer to him, I'm sure he'll move over when he notices us.
Driver: He's frigging clueless, and doesn't even know that I'm 12 inches from his bumper. I think he's talking on his cell phone.
Driver: No, it's another left lane jackass.
Passenger: Just get a little closer to him, I'm sure he'll move over when he notices us.
Driver: He's frigging clueless, and doesn't even know that I'm 12 inches from his bumper. I think he's talking on his cell phone.
by MeDavebo September 29, 2014
Get the left lane jackass mug.Someone who posts urban dictionary descriptions of their name and then brags about them on Instagram
People think I'm an utter jackass because I posted a story of a random pseudo philosophical phrase on Instagram
by A random pig November 20, 2021
Get the An utter jackass mug.Do not sabotage the situation by engaging in risky behavior that will jeapordise the greater good. Popular used by the prime minister of trinidad and tobago to warn citizens during covid lockdown.
by anonymous November 23, 2021
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verb, noun, proper noun, god help us all
1. A term used to describe someone who tries way too hard to be edgy, intimidating, or cool, often ending up just looking like a melodramatic theater kid.
2. The dark, brooding antagonist from Sonic Forces who wears a large ruby on his chest and has an even larger ego. Known for saying stuff like “Im not weak!” right after getting his ass kicked by a 3-foot-tall edgehog.
verb, noun, proper noun, god help us all
1. A term used to describe someone who tries way too hard to be edgy, intimidating, or cool, often ending up just looking like a melodramatic theater kid.
2. The dark, brooding antagonist from Sonic Forces who wears a large ruby on his chest and has an even larger ego. Known for saying stuff like “Im not weak!” right after getting his ass kicked by a 3-foot-tall edgehog.
"Bro, stop monologuing about your trauma and help me move this couch, youre being a real infinite the jackass right now."
“He changed his username to ✧𝕀ɴғɪɴɪᴛᴇ✧ on discord and told me id 'taste true despair.' Infinite the jackass behavior.”
“He changed his username to ✧𝕀ɴғɪɴɪᴛᴇ✧ on discord and told me id 'taste true despair.' Infinite the jackass behavior.”
by creechurr July 24, 2025
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