A phrase used to make people think you are going to do what they say 'in a minute', however the task is almost always never done as the person is too lazy. It is most effective when used to piss someone off. Goes well with whining noises.
Simon: Get a life, you prick!
Tabish: In a minute! (moans)
When you haven't done something in a long time.
For example, I haven't seen her in a minute.
Might be 20 minutes, 5 minutes or a week or a year... but rarely really just one minute...
I haven't felt so alive in a minute... but i do now..
a long or medium period of time
yo i aint seen you in a minute
ghetto way of saying in a long time
Tyrone: What's good Darius?
Darius: What up cuuuuh. I ain't seen you in a minute.
Tyrone's IQ went down after hearing that and got autism.
A time span implying a very long time
Damn, Marquis...You ain't hit dat dipper for a minute...Pass dat shit over dis way!