Derived from the measurement of a light bulb's brightness, "Low Watt" is a term used for the dimwitted or used to describe dimwitted behavior.
"Kevin cover your fucking mouth when you sneeze you low watt motherfucker!"
by Brahbruhbro October 22, 2014
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Derived from low wattage light bulbs, a Low Watt is an exceptionally tight or miserly individual. Will never buy anything he can’t download, boil the kettle twice the same night or buy a round in the pub.

Never offers petrol money but will always be sure to collect it, goes out having “Forgotten” his wallet, expects family members to fix up his house and garden not just at a discounted rate, but completely free of charge.
Dave: "Tight bastard still hasn't weighed in with the cash for that job we did, Stan."

Stan: "We won't get that. That low watt wouldn't give you the steam off his piss!"
by UpYourKilt August 28, 2011
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One who was hated by god, and smiten with spinal bifida or another disabling disease. Must now live life pushing themselves along blowing through a straw. Low-wattage refers to the memory and intelligence lost when their parent/parents tried to drown them as a baby to relive themselves of the pain of a cursed child. Gurgler comes from the sound of their throat spasming uncontrolably because they were abused as a child because they were such an easy mark.
My daughter came ou, and she wasn't just a little handicapped, she was a Low-Watt Gurgler in a high back chair.
by dvda gangsta' April 27, 2007
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