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running on impulse engines

In the original Star Trek series, whenever the main engines (warp drive) broke down (which was pretty frequent) the Enterprise would only be able to move using "impulse engines" - a low power, sub-lightspeed manouvering system based on a small fusion ram/ion drive.

By inference, someone described as "running on impilse engines" or "impulse power only" is either:

1. Very tired (a.k.a. 'running on empty')

2. Genuinely ill

3. (derog.) Slow and/or stupid.
"Jesus, I've just had to brief the sales guys on the new product.... they're all running on impulse engies up there".

"You want to go for a beer ?"

"No, man, I'm running on impulse engines... got to go home and grab some sleep."
by Eighth of Seven May 24, 2007
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impulsive recognition nod

the inherited instinct to nod your head at people; if you know them or not, and it takes no thought process for initiation or to respond. mostly like predominate in caucasian males, but stretches every ethnic back round in the united states. IRN for short. it's a non verbal way to say i see you there, or to recognize what is going on in a particular environment.
bicyclist and driver give a impulsive recognition nod at one another as to agree not to collide with one another.

male friend see's another male friend having a conversation with a female and gives the impulsive recognition nod as to non verbally communicate a variety of things such as; leave me alone, find your own ride home tonight, yes am trying to have sex with this individual, good luck etc.

you catch a person looking at you and that individual gives a impulsive recognition nod, and nod back but don't know why. this prevents any unnecessary altercation due to the IRN
by Fainezilla May 23, 2011
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impulse

Impulse aka. Impulse Community is a community which revolves around Garry's Mod and has multiple toxic members in the community.
Person 1: Hey do you know impulse?
Person 2: Yea, weird community but I like their BreenRP
Person 3: Same
by DirectGaming June 26, 2020
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impulse girl

someone who is a slut. that thinks its fun to shove a impulse can up her pussy.
she is a disgusting attention seeking slut who deserves nothing but to go die.
impulse girl, shoving a impulse can up your vagina
by sjkily January 25, 2010
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impulse 101

The "Give all weapons" console code/cheat from both Half-Life and Half-Life 2, the best games in the Milky Way. Akin to idkfa from the DooM games. Only wussies use weapon cheats. Smart people such as myself use "buddha" and/or "notarget".
"Let's see here... I got every weapon... OH! I'm missing one crossbow bolt!" ::typing:: {~} {impulse 101} (At that moment Gordon Freeman barges into your room with a pack of Antlions and cracks your skull with a crowbar.
by GameBoy3008 September 27, 2005
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implossible

A word used when the term impossible simply isn't good enough. A new level of impossibility that is physically not possible in the past, the present or the future.
John: TODD, I'VE INVENTED COLD FUSION!

Todd: WHAT, THAT'S IMPLOSSIBLE!
by AaronMosh7 February 24, 2011
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Implosive diarrhea

Diarrhea that implodes after exiting the butthole, generating the most disgusting black hole known to mankind.
by Inquisitive Walnut September 21, 2019
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