a drifting, homeless person in North America, travelling 'round the world like gypsies and pirates from coast to coast
by Sexydimma November 03, 2019

"Seven up and Johnny's a coaster."
by Sweet Daddy June 25, 2003


When a basketball player is going coast-to-coast and dunks on someone on the other team for an easy bucket
by AnalPenetration March 08, 2015

The feeling you get after you've been on a bunch of roller coasters and when you get off you still feel like you're on one.
by The_Melancholy October 14, 2012

1) I'm not paying for your meal tonight because you're a fucking coaster.
2) E: I heard Vincy fucked Amanda after the party the other night.
J: No fucking way. That girl is a coaster.
2) E: I heard Vincy fucked Amanda after the party the other night.
J: No fucking way. That girl is a coaster.
by metal fingerz March 28, 2009

Snorting a mixed line of oxycontin and cocaine, that you setup before you passed out, as soon as you wake up in the morning.
Me: Hey you seem pretty relaxed this morning
You: Yeaaaaaah brah, I woke up and rode the coaster this morning.
Me: I think your nose is bleeding....
You: Riiiiiiiiight on.
You: Yeaaaaaah brah, I woke up and rode the coaster this morning.
Me: I think your nose is bleeding....
You: Riiiiiiiiight on.
by Knoxycontin June 06, 2010
