this minute

hot minute

A long period of time.

just a minute

A short period of time, typically anywhere from several seconds to several minutes or more.

last minute

An arbitrary (non-specific) point in time, too close to a deadline to reasonably begin a critical task.

laugh a minute

A funny thing or person.

mile a minute

Very quickly.

not a minute too soon

at the last possible moment; just in time

talk a mile a minute

To speak quickly or excessively.