Top Definition
Kind of self-explanatory. It's when the area between your nose and upperlip is covered with zits, usually also containing a few hair sprouts.
Billy: "Can you help me with the answer to number three?"

Mandy: "Sorry, what did you say? I was too busy starring at your repulsive acstache. You should get that treated."

by skate_element92 August 17, 2006
4 Words related to acstache

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