1 definition by Chriso2989

A group of chavs. (otherwise known as pikeys, townies, scums of the earth etc.) Often a group that is following a regular person, nerd, emo or even lesser chav in order to inflict physical pain upon that person.

Can also be used when walking towards a group of chavs.
Ben: Uh-oh! Chavalanche!

Peri: We were totally bunned by a chavalanche last week.
by Chriso2989 November 15, 2006
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