1 definition by swagasaurusrex

Top Definition
A person who slacks alot, also referred to as a slackasaurus, commonly known for their saying they're going to do something, then not doing it.
Person A - Hey man, I thought Jordan said he was going to come to the gym tonight?

Person B - yeah he always says that, hes a slackalotagus
by swagasaurusrex October 12, 2011

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