Being in a point of total relaxation, when everything seems to be going your way.

When you don't gas the engine of your car while driving. Also one of the best ways to stretch your gas usage.

adjective
to easily accomplish something or just relax
synonym for the word cruise

As a verb: To relax
As an adjective: To be relaxed and in a subtle and calm state of mind.

to be drunk and blazed where you feel really chill and you're just coasting along.. you're just chillin.

Riding public transportation to the end of the line, getting kicked off, wait for the next bus/train/tram to come, get on then ride to the end of the line again and repeat.

This usually occurs when you are drunk and keep falling asleep and missing your stop. Also comes in handy when you don't have a place to sleep.

It's half way between relaxed (coasting), and when you feel toasty inside (that warm feeling). That point of full relaxation.