slang: rollerblades. a type of rollerskate where the wheels are lined up down the center.
A cross between rollerskates and iceskates.
I need to get me a new pair of in-lines.
by marie drake March 10, 2004
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A request for what to say, as if one were an actor in a play.
Wife: Where the hell were you last night?

Husband: Line.
by druu9 May 11, 2010
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A really sweet and she seems innocent and pure, but she can be a naughty little devil.
Wow, that girl is so Line!
by LooveMuffin February 14, 2010
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A term used to describe a teenage male who wears his hat/beanie/hood near the end of his head.
Dude, T.I is so A-line, his beanie is practically hovering.
by Kelly Kwarta February 16, 2009
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When someone that is of the more popular statis is wearing his/her hat or other head dressing at the edge of their head to the point where it looks like if the wind blows from any direction it would fall off thus making them look too cool to associate with. Also seen walking with both hands in jean pockets with head tilted somewhat down and hoodie jacket zipped about half way up.
Person 1: Goshhh, that Sean Compton guy is so fresh and a-line.
Person 2: It's supposed to be windy today, I really hope that his hat doesn't fall off!
Person 1: I know, you are so right Kelly. Then who could we possibly look up to as our a-line hero!?
by Hagitha February 19, 2009
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In racing/ freeride terminology, a "line" refers to the specific path or route one chooses to take within the course.
"Dude that line you took was so sick, gaping that rock section and landing on the backside."

"ya man, my lines are just so much better than yours"
by dtbkr April 25, 2011
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A word which can refer to snorting cocaine. Can also mean doing nothing or hanging out.
We were lining for like 50 hours straight...no wonder we were wasted

Wanna go lining with us, dude?
by trickligan December 11, 2005
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