ACU 

The Army Combat Uniform. Is the new uniform that the U.S. Army has adopted to replace the current Battle Dress Uniform.

That Soldier was just issued some new ACUs.

ACU by butthorn October 29, 2005

ACU 

short for All Caught up

Can you retweet my art? I’m acu with everyone else’s in the groupchat.

ACU by Tricky Fishy December 1, 2020

acu 

shortened version of 'actually'

When you are lazy but still want to write 'actually'

I'm acu in love with her !

acu by okurka February 2, 2017

Acu 

All caught up

I’m ACU on my homework

Acu by Xonivi June 18, 2021

acu me 

its simply means, "Excuse me?!". with more of a spanish accent.

person 1: Your mom needs to loose weight

person 2: ACU ME?!

acu me by kimba.will.sparkle.on.you July 20, 2009

acu-slut 

Acu-slut = When you accuse someone of stealing something and you find it later.

Acu-slut = For f**k sake give me back my touch, oh wait here it is.

acu-slut by "57" April 21, 2021

The Acu War 

The war in which player, Kath declared war on level, Acu by: Neigefeu where Acu did not back down, making Kath die midway through the level over 20 times and towards the end multiple times. The war still continues as Kath nor Acu have given up on each other.

My History Teacher taught me about The Acu War today in class!

The Acu War by ToxicWasterYT March 6, 2021