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jump box 

A portable battery used to jump start a vehicle with a dead battery.
The jump box has two wires coming out with clamps on the end; it also has a wall plug and a charge meter; must be for jump starting a vehicle.
jump box by a clever ud user September 14, 2009

brains jump out the top like jack in the box 

(v) The act of shooting somebody in the head. Popularized by the 50 cent song 'Heat'
Man, I was playing Gears of War and made somebody's brains jump out the top like jack in the box.

Jumping Box 

What Mr. Burns calls the television in The Simpsons episode "Fraudcast News".
Mr. Burns: Now, let's see how I'm faring on the jumping box.
Smithers: You mean the television, sir?
Mr. Burns: Television, jumping box, pict-o-cube... just crank it up!
Jumping Box by OhNo S. August 28, 2022
Exercise that people do to show off their skills
‘Did you see that guys boxjumps? His legs are so strong!’
boxjump by Xoxoxolani April 16, 2022
The word 'flag' as pronounced by people with thick Belfast accents. The term is a perfect encapsulation of the disproportionate and overblown reaction to the removal of the Union Jack (as in 'de fleg') from above City Hall in Belfast. Where previously it had flown for 365 days per year, it is now flown on 17 designated days of the year - in line with many other British cities.

The event caused a portion of the Protestant community ('fleggers') to make international pricks of themselves as they proceeded to wreck the fucking place, claiming it was another erosion of a 'British' identity they perceive to have been under attack since the horrifying spectre of equality reared its head in Northern Ireland.

The word 'fleg' - and indeed 'fleggers' - fittingly describes a section of humanity unconcerned with knowledge, reality or the vagaries of the English language. Like America's tea-baggers they are ruled by instinct, fear and paranoia with a side dish of rampant bigotry and startling ignorance of the world around them.
"Wat de fuck like! The taigs got de fleg took down! Let's wreck de fuckin place! No surrender!"

"De fleg has been took down! Before ye know it there'll be a united Ireland! Attack Short Strand! God Save The Queen!"
Fleg by OnionFleg August 9, 2013
Word of the Day on July 18, 2026
To take something small, that doesn't quite qualify as a theft. Probably from the Danish "skæv" or the Dutch "scheef", both of which are pronounced similarly, meaning "askew, or not quite right'. To change an item's ownership without permission, but only something small and of little worth.
"I skeefed an apple off the neighbor's tree." "I skeefed some chips outta your bag when you looked away." "Don't skeef my chair when I go to the bathroom."
Skeef by kachinaflonk July 16, 2026
Word of the Day on July 17, 2026