Like a swarm of locust,only with mexicans. A mexiswarm starts when about 20 mexicans pile out of their van, and mob what ever event you are attending. They take over the free stuff and think nothing of stepping in front of you to grab what ever you are reaching for. They jabber away in mexican and get pissed off that you don't speak beaner. They let their little mexitards do what they want which is usually stealing or distroying other peoples stuff. No one tries to run them off because you can never know when one will pull out a gun and start blasting. Most nonmexicans just leave.
A mexiswarm hit the picnic so we just left.
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