Top Definition
When a line of multiple preteen/teen pregnancies result in the birth of a child generations before the other children that should be in its age group are conceived.
Mary has a daughter at age 13. Her daughter then has a daughter at age 14. When Mary is only 27 she has a granddaughter. Mary's granddaughter will grow up with friends that are an entire generation behind her. This is a generation lap.
by socialmediaman July 02, 2013

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