Top Definition
Basically, a long way of saying that something is true. Especially funny if you can get an adult, especially a teacher to say it because it makes them sound like they're trying to be hip. Can also be used in question form (e.g. 2)
Example 1
Person 1) I've finished everything.
Person 2) Really?
Person 1) Straight up no word of a lie

Example 2
Person 1) I've finished everything.
Person 2) Straight up no word of a lie?
Person 1) Hell yeah!
by Will_100 November 02, 2009

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