2) to ambulate quickly across an inclined surface
3) to accumulate
2) After I increased the incline on the treadmill, I really had to run up.
3) You took your bitch to Wendy's for you one year anniversary? Dag man better not run up too much money on the ol' credit card bills.
If you run up too big a debt to that loan shark, he'll probably run up on you. If I were you, I'd run up into the hills and not come back for awhile. Cracka.
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.
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. \
Wooo-hoo, unlimited overtime for the run up to the release of MyThing!
We'll need the major nets, papers, and blogs watched twenty-four seven for the run up to the Iowa caucuses.