in effect 

here and ready; often used in the beginning of RAP songs to indicate the artist is there and ready to jam

also "in full effect"

Start of No More by Christian RAP band dc Talk
DCT in effect!

in effect by EHA July 18, 2006

IN EFFECT 

When a woman is on her period.

"What the hell is wrong with Susan today, she just bit my head off."

"I don't know, she must be in effect."

IN EFFECT by Joe Schmuckatelli September 8, 2003

white boys in effect 

Monmouth County, NJ group of high school boys that think they are cool, but really, it is lame to have a posse name.

Hi, I'm Tobey, and I'm apart of white boys in effect.

white boys in effect by wifey March 25, 2005

t-wrecks in effect 

it's going down, the shit's hittin the proverbial fan, but in the shake that ass twerk it kind of manner.

that bitch is t-wrecks in effect

t-wrecks in effect by cansuh chrisss March 24, 2008

alice in wonderland effect

When u see someone fine from a far and as u get closer they seem to age backwards.

Guy: dwaaam look at that fine ass bitch. Ima go spit game.

*walks closer and realizes they're jailbait*

Guy: my bad I jus experienced the alice in wonderland effect!

alice in wonderland effect by tearslette October 23, 2011

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!

in full effect by DirtyJelly July 2, 2014

Full Effect (in) 

1. Present and accounted for 2. in extrordinarily good form

First fellow: Tamika in full effect.
Second Fellow: Right.
First Fellow: Shaniqua in full effect.
Second fellow: Uh-huh.

Full Effect (in) by Whack Chaddy Mack May 12, 2004