Top definition
A person who hovers around a group and contributes nothing to the conversation consistently. people will try to slowly ease them away but if they do not take the hint this is when a tag along becomes a j dot/j.

It can be changed based off of the first letter of that person's name
John: Peter go away you're j dot
Peter: How am I a j dot
Everyone: you just are
by t4gtc October 31, 2019
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2
A j dot is a weird guy/girl that doesn't speak in group conversations, a j dot usually clings to a group of people that are of a higher social status.

Other ways of saying j dot :
Jade
Jadey
you are a j dot
by Steven Brown x June 28, 2019
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