Sporadic period of heightened sexual activity conducted by a girl who fluctuates between abstinence and sluttiness. This girl may often imply that she is a virgin when she is dormant.
Mike: Oh my God, did you hear that Kelsey just got it on with five guys this week?

John: Yeah, sounds like she's in the midst of a slut spurt.
by phagan February 29, 2008
Sporadic period of heightened sexual activity conducted by a girl who fluctuates between abstinence and sluttiness. This girl may often imply that she is a virgin when she is dormant.
Mike: Oh my God, did ...you hear that Kelsey just got it on with five guys this week?

John: Yeah, sounds like she's in the midst of a slut spurt.
by flantaure February 17, 2011

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