Backseat Gelato is when you're tapping someone from behind, and you glaze them with a nice soft-serve dollop between their cheeks as you finish. Ideally preceded by "I hope you're hungry... ".
"Heard you were up camping by the lake with your girl this weekend. Did she finally let you tap that?"

"Hell yeah, we were at it half the night edgin' and when I finally blew I gave her a helping of backseat gelato!"
by Saeryf January 19, 2022
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