Definitions by The biologists' sex drive
leatherback turtle
When the girl is lying on her front and the man 'blows his load' all over her then dives on her and swims like a turtle in his own jizz.
"Me and Linda did the leatherback turtle last night, took my forever to get the cum off my chest hair."
leatherback turtle by The biologists' sex drive March 2, 2014