cruisin

1. to parade one's vehicle on city streets with or without a destination, sometimes accompanied with excessively loud music, headrest-mounted LCD monitors, or both.
2. a term used to explain a current state of unproductivity. Predominately used by caucasian males from the Northern Los Angeles County (i.e. Palmdale, Acton). Also see chillin.

just driving in a car really no destination at all

When you're basically just out driving with friends, playing the music really loud, and having a good time.

To drive around (sometimes in a set pattern aka cruise route) to see who is in town and what's goin' down in the streets.

Cruisin for sex. (Cruising).
Basically, you're in a public spot or on the Internet looking for someone to fuck. Almost every town has cruise spots where horny people chill waiting to bang. No strings attached, no names exchanged, just pure lust.

To drive around (sometimes in a set pattern aka cruise route) to see who is in town and what's goin' down in the streets.

A term used to describe a state of mind where you are feeling good and not letting anything get you down.

Think cruise control - the speed stays the same regardless of others’ influence.