To make an innocent word, object or being a complete utter chav.
"Why did you chav up your car with that body kit, you spanny!"
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1)To be chavved up is to be robbed
2)Talked to for an excessive amount of time by a chav.
1) Bare tite, ive just been chavved up by a group of blingers
2) This girl wouldnt stop chavving me up today, so i told her to belly up.
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