in full effect

An old skool New Jack Swing saying. To be in your element or at your best.

Guy (band, Teddy Riley, Aaron Hall & Damion Hall) are in full effect!

by DirtyJelly July 2, 2014

In and Out

A british term used in relation to having sex.

"I was lookin to have a little in n' out with your sister."

by Trevor November 25, 2003

In flames

A great metal band that has slowly gotten more of a "mainstream" especially in their new cd soundtrack to your escape. Still one of the greatest "metal" bands ever.

ok

In flames is a very good metal band that has a good unique sound, especially in their older CD's.

by Husker07 September 8, 2004

in vino veritas

Literally "truth from wine", getting someone drunk enough to tell the truth

It's a dead language, no one speaks it

by Matt February 12, 2004

in my heart

where space and time are relative / irrelevant

in my heart

by reformedpug December 2, 2016

in 3d

The best phrase to piss people off. End every line anyone says in a conversation with "in 3D" and they will be angry.

Person 1: I'm taking calculus for a second year.
Person 2: In 3d.
Person 1: Shut up.
Person 2: In 3d.

by Herohito October 12, 2011

in the know

With knowledge of something.

"People in the know are aware of a nuclear explosion if even the slightest jolt was made upon the renegade carrier."
-part of the storyline for Blast Corps

by Dave October 21, 2004