An extremely sexual text phase usually sent from a girl basically meaning "hi i wanna fuck."
Boy: *sits at home*
Girl: *texts him "heyyyyyy"*
Boy: I'm getting laid tonight!
by Grand Tissue Box May 5, 2013
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Heyyyyyy is used to preface a lofty demand or in some way soften an obtuse imposition.
Heyyyyyy Kieran, will you please pick me up from the airport tomorrow at 1:30? Right in the middle of your day?
by CreamyPegasus August 16, 2018
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