Boo Up 

Submerging oneself in their significant other and forsaking interaction with all others.

Every time Sarah's boyfriend comes over they boo up and won't talk to anyone else.

Boo Up by GrlCanSang September 9, 2015

Boo Up 

The act of getting a partner, boyfriend, or girlfriend for the winter or cold weather months.

With this cold weather I must find someone to boo up with to keep me warm.

Jim and John are all boo'd up now that winter has sprung.

Lisa and Liz rented a u-haul to boo up for the winter.

Boo Up by gaykronym February 2, 2016

Boo'd Up 

to be in a relationship with someone

yo, I heard Jordan boo'd up with Shiri!

Boo'd Up by gettinjazzy October 4, 2010

Boo'd UP 

to be in a relationship with someone.

I'm Boo'd Up

Boo'd UP by [e-mail] September 25, 2018

boo'd up 

Getting serious or going to the next level with your significant other.

Dr. Tracy is all boo'd up!

boo'd up by likahurricane February 5, 2009

Boo'd up 

To be "snug" with your boo.
..to be all "Lovey Dovey" w/ your significant other

-Dude, why is Joe whispering in the phone like that?

-Oh, he Boo'd up wit his girl...lol!!!

Boo'd up by Kai-ona May 13, 2006

Boo-ed Up 

Currently seeing someone; in a relationship; the act of already having a "boo".

Q: Do you have any friend my homeboyss can kick it with?
A: Sorry, all my friends are boo-ed up.

Boo-ed Up by Franklin I Hustle August 20, 2007