Chemical synapses are specialized junctions through which neurons signal to each other and to non-neuronal cells such as those in muscles or glands. Chemical synapses allow neurons to form interconnected circuits within the central nervous system. They are thus crucial to the biological computations that underlie perception and thought. They provide the means through which the nervous system connects to and controls the other systems of the body, for example the specialized synapse between a motor neuron and a muscle cell is called a neuromuscular junction.

In popular culture, "synapse" is often used to describe a thought in a most artistic form, or even a "jerk reaction" to a certain stimuli.
"Synapse to synapse, the possibilities thin."
-Ben Gibbard
by Jason Re. June 20, 2008
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When two men's hairs touch without actual skin contact
Jourdon didn't know that Matt enjoyed synapsing when he wasn't looking.
by MattressC September 4, 2015
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The motion of a fist-bumping someone without physically touching fists with them. Refers to the neurological connection of the same name.
>>Dude, I just got laid

by kutless429 December 21, 2010
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Something to say when you have a senior moment or forget something. An expression of exasperation at oneself.
Synapse! I missed my dad's birthday!
by Sharonssunology March 16, 2012
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The worst lego hack made by 3ds player 101 and is worse than belu and photomasher
by Succboi101 July 21, 2018
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The best exploit ever, the fastest, most features implemented, most stable exploit, most active community and support, least toxic community,
Guys step aside, this man has got Synapse X.

Jimmy uses Protosmasher, don't be like Jimmy.
by Azev April 21, 2019
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