Having sex with a dentist in the dental chair.

Related to: Mile High Club
"Did your dental appointment go well?"
"Damn right, I just joined the Smile High Club."
by SassyHashtag May 11, 2015
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The Smile-High Club is a super-elite club for cadets who have flown their Talons at least a mile high and jacked off and have cum-stains on their flight-suits to prove it.
I'm a founding member of the Smile-High Club, as is Matt, my wing-man!
by USAF Cadet October 23, 2020
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