earning stripes
When the dicking is so good, she scratches your back so hard it looks like a tiger attacked you, and you end up with tiger stripes on your back like you were in a fight with a wild animal.
My girlfriend gave me tiger stripes after our first date and I still haven’t washed my back.
My little brother got tiger stripes from his crush and he’s been bragging about it all week.
My mom got tiger stripes from my dad and now she walks around like she’s the queen of the jungle.