run up on

to confront someone with hostility

so then she gonna run up on me talkin about i owe her some money.

by shatda shekem May 13, 2005

Run up

1.The first motion in a physical altercation, the opening stage of a fight.

2.acceleration toward someone with intent to harm.

goes beyond posturing but does not require contact just a threat of contact.

usually warrants a reaction and almost always results in a fight.

Kim: are you going to fight Seth after school?

Brandon: If that nigga Run up.

also in past tense:
Teacher: John I am sorely disappointed in you why did you hit that young man

John: he ran up so I punched him. \

Run up

by Hooddirector April 8, 2009

run up on

to jump, or momentarily attain a hidden position and then compromise your position with bad intent

so what make's you think imma run up on you with a nine
-50 Cent

by atowneightynizzle November 12, 2003

Run up

When a bitch got you fucked up and you wanna fight.

“ yea bitch you was taking all that shit on Facebook Run up hoe!!!!”

by Realassbitch283399 June 8, 2021

run up in

a request for sex from a woman (not meant exclusively for anal sex). Includes all forms of sexual relations. Also used to describe entering an area with force. Can be used in it's past-tense to describe the completion of said act.
Also, used as "ran up in."

"Can I run up in you, if I buy you dinner and flowers?"
and
"They are gone, I plan to run up in that house tonight."
and
"the police ran up in that dope spot last night"
an
"I ran up in that one b**** yesterday."

by dirty November 24, 2004

run up in it

Another phrase for "having sex"

Last night I met this chix at the bar and she let me run up in it

by MasterP July 13, 2006

run up on

To try to make a move or have sex with somebody

"Whaddup with you and me girl? When we gon' chill?"

"Nigga,Dont even try to run up on my shit!!"

by Bobscout January 9, 2006