Hineyheek
A hip thrusting movement causing the buttox to clinch during the act of sexual intercourse
He laid his significant other down and then proceeds to pursue the Hineyheek.
Hineyheek~Wink
When the man is hineyheeking and aims towards the wrong hole, the butthole winks!
Oh no, not there, wrong hole. You just made me hineyheek~wink!