look up any word, like sparkle pony:
 
2.
To snort or inject Cheese/Heroin.
Alec: Damn nigga, I'm coastin' hard thena bitchh!

Sergio: Me too, I like when we do Scarface lines.

Anjela/Beans: ~OMG~ Eye feel like eyem floating!
by JellyBelly~ July 31, 2012
 
1.
hanging out; chillin; state of relaxation.
"hey, what are you doing?"
"nothing,im just coastin' right now."
by ben dover stacy November 16, 2007
 
3.
The act of leisurely having sex, usually anal between two males. One partner will do the majority of the work.
"Henry, last night you were coastin. I was sweating."

"Sorry bro, it just felt so good. You can coast tonight."
by coachoftheyear March 30, 2014
 
4.
When one displays great skill and finesse in a smooth manner from one location to another.
Example 1:
David: Did you see that triple axel 360 front flip he did off the high jump in Brechinridge?!

Ken: Nah I saw him do the 720 indie backflip out of the helicopter onto the high jump in Mount Rocker!

David: Dam he made that shit look easy too, he's Coastin' right now bra!

Example 2:

Jared: Yo! Did I just see you get Ashley AND Brooke's number in the same bar?!

Chad: Yea, AND I got Julia's number at Benny's Pub earlier, swag.

Jared: Isn't she dating Matt?

Chad: Yea AND where meeting up later for drinks at my crib! FUCKING COASTIN' BABY!
by Groove Swag August 16, 2011