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.

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.

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 !

by okurka February 2, 2017

Acu

All caught up

I’m ACU on my homework

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?!

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.

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!

by ToxicWasterYT March 6, 2021