Top definition
The combination of the three words... internet, nesting, and instinct.
INTERNESTINCT is a first time modern mothers instinctual behavior of frantically searching the internet for gestation information (what to expect), baby care information, and looking up baby products such as cribs and strollers.
Ever since Tyler and Kelly found out that shes pregnant she's been doing an awful lot of internesting!

I think her internestinct is really kicking in.
by timothy allen zigler February 28, 2008
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