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General term for well meaning but unreliable person, often intelligent but prone to lapses in concentration and brain function.
I see Andy is late getting to the pub again?
I doubt he'll show up, you know what a bulb he is.
bulb by Dr Boswell November 8, 2004
Related Words
Bulbasaur bulb bulbous Bulbul bulbing bulbus Bulba bulb head Bulbacious bulbis
n. A light bulb, although usually used for lamps and such, can be used to smoke meth.
"Hey are you passin' that bulb around? Can I get a hit?"
bulb by Holly-Day February 2, 2004
A small, 1 serve cannister of Nitrous Oxide used for getting a kinda fun, but quite pathetic 5 minute high.
Possibly puts bubbles in your brain.
"Keen for a bulb?"
"Let's go do some bulbs."
bulb by Diego August 14, 2003
The head of a circumsized erect penis if of greater girth than the shaft.
Look at the bulb on that dude! It twice the circumference of his cock!
bulb by dicklicker May 23, 2003
A bulb is somebody who has difficulty forming thoughts and sentences on his own, yet insists on doing so on a public forum.

(by @cgawker on Twitter)
A: "Haaaaaiiiiiii sweettttttyyyyyyyyyy!"
B: "Dude, that A is a total bulb."
bulb by i-r-squared August 12, 2010
Bar Umar Lanat Beshumar
(Curses on Umar for all eternity)

Acronym for hatred of the tyrant Umar ibn Al Khattab who killed Fatima (as) and stripped Ali (as) of his rightful position as caliph. This acronym is used to remember how Umar tried to destroy Islam and succeeded in convincing 80-90% of muslims that he was a good person rather than the scumbag that he was.
Live by the BULB, die by the BULB.
BULB by LetumBULB November 29, 2020