The accelerator is a sex move in which the man licks his index finger and tickles the womans anus while taking her from behind. The unexpected tingling sensation is a surprising and highly pleasurable experience for both parties.
Nic: Hey man have you tried the accelerator yet?
Andy: Yeah man i did it last night! She won't have it any other way from now on.
by pussyslayer1991 March 28, 2011
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When a man/woman is destined to break up with their partner and so by sleeping with them you simply accelerate the process, thus providing a useful service, you are then an accelerator.
One bloke talking to another in a pub - "My friend Samantha is just waiting to dump her annoying boyfriend so if I sleep with her this weekend then I am just acting as an accelerator"
by captain assbeard January 18, 2011
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A 14 years old cute Japanese girl who is also a lolicon.

Accelerator is a start up device that has a fuckable body that men can use. Her real name is Suzushina Yuriko, the strongest Level 5 Esper of Academy City, originated from the series "A Certain One Punch Touma".

Accelerator has the ability to control vectors as well as being fingered and fucked. Accelerator loves Loli a lot.
Accelerator will destroy Sword Art Online using Level 5 Vectors if Kirito ever fingers her.
by Suzushina Yuriko May 9, 2019
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Accelerate is a beautiful written dnf smut(dream not found) fanfic found on AO3.
Hey man have you read that dnf book?
Which one accelerate?
Yeah that one it's really gay.
by Your mom LOL XD💅✨ June 20, 2021
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Defined as the change in velocity over a period of time. Acceleration is a vector quantity and therefore is stated as a quantity with a direction.

a = (v-u)/t (where a, v and u are vectors)

Where (using SI units):
a = acceleration of the body in metres per second per second (ms^-2, or metres per second squared)
v = final velocity of the body in metres per second (ms^-1)
u = initial velocity of the body in metres per second (ms^-1)
t = time period between the initial and final velocity, in seconds (s)

An accelerating body can also be decelerating (ie, negative acceleration) or be at rest. Also, instantaneous acceleration is a bit different.
1) A car that is travelling at 2ms^-1 changes its speed to 6ms^-1 over a period of five seconds, and doesn't change direction. During that five seconds, it had an average acceleration of .8ms^-2 in initial direction.

2) A car travelling forwards at 2ms^-1 is suddenly put into reverse and five seconds later it is travelling 2ms^-2 backwards. It's average acceleration is .8ms^-2 backwards (-.8ms^-2 forwards). Note in this example, the car would have been temporarily at rest just when it changes direction. It is still accelerating (in negative direction, ie backwards, ie decelerating) during this period.
by White Razor April 10, 2007
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To increase the velocity of something. To speed something up. To step on the gas.
I hit the gas and I accelerate.
by 5'1"Racer December 27, 2005
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A verb. To speed up, or go faster. Also a gay DreamNotFound Wattpad fanfic about racing cars and shit. Never going on Wattpad again.
Person 1: have you seen Accelerate?
Person 2: a verb. You can’t see verbs.
Person 1: it’s a dream SMP dream x George fanfic that is so kawaii and-

*person 1 gets blocked on Snapchat*
by Glitchguy May 14, 2023
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