Efficitive 

When someone is effective and efficient

Lara was efficitive today at work, she used her time well and met deadlines

Efficitive by Precate April 30, 2019

Efficitive 

When someone is efficient and effective

Lara was efficitive at work, she used her time wisely and turned in a great product

Efficitive by Precate April 30, 2019

safe and effective 

unsafe and ineffective (spoken in sarcasm).

Holding your kid back with your arm in the front seat of the car, instead of a proper seatbeat or child-seat, is safe and effective.

safe and effective by imadanite September 19, 2021

It's Super Effective! 

1. Term from the Pokemon series where the move used by the opponent's Pokemon is susceptible to the user's chosen type of move.

2. Used to describe/narrate a situation when one party does a certain action which is effective against the other party.

1. Mudkip uses Water Gun on Charmander ... ... It's Super Effective!

2. Mr. Henderson uses Pop Quiz on Adam ... ... It's Super Effective!

It's Super Effective! by The hardest button to button February 28, 2010

effucktive 

something thought to be effective but is really all fucked up.

Management thinks they know what they are doing, but they are totally effucktive.

effucktive by alvaclark December 18, 2014

simple but effective 

A term used by Harry styles when Louis Tomlinson answered the question how would you ask a girl to marry you? with will you marry me

Int- how would you ask a girl to marry you?

Louis- Will you marry me?

Harry- simple but effective

simple but effective by Larry28_Stylinson April 9, 2021

effective. Power لُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ 冗 

1)A text sent to iPhones that will reboot the phone. Also works for any app that gives banner notifications on iPhones.
2) Sent by assholes who still think it is funny.
3) One more reason to not buy an iPhone.

Text from John: effective. Power لُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ 冗
Sam: John, you're a piece of shit.

effective. Power لُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ 冗 by RandomRob13 June 2, 2015