"heavy batch" is a term use to describe the situation where the amount of marshmallows in your Lucky Charms totally out-weighs the non-marshmallow pieces.
John- "why the FUCK are my Lucky Charms in the trash?"

Chris- "oh, yeah I got a heavy batch today and...well, I just was not in the fucking mood to deal with that."

John- "wow...douchebag."
by mgaudee March 14, 2010
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