1 definition by Hooddirector

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
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