Oceanside, CA- a City in North County San Diego. Oceanside locals call it "O-side".
What up? Jus bickin' it in O-side.
by aktiv February 21, 2010
1 more definition
Oceanside, NY- A suburb east of NYC in Nassau County. Instead of saying Oceanside, the local druggie culture folks just call it O-side.
Where are you going to be tonight? I am going to be chillin in O-side.
by Possum377 February 03, 2010