when receiving oral sex and your partner is biting you.
“how was the head dude”
“man that bitch gave me turtle head”
When you have the urge to shove a head into a small crevice
Hey! Billy is being a turtle head. He is trying to shove his head into her butthole
Turtle-Head is when you are holding in a turd for so long you can feel the poop poking out of your butt like how a turtle pokes its head of of its shell.
"oh no" john said to himself during the meeting, "I can feel the turtle-head!"
A crap that starts to win the fight.
Hurry up Dave I got a turtle head poking out