I write notes on my arm anyway, why not make it neat?
A troll with armpit hair hair. A woman's privates. Chewbacca.
As soon as you let yourself go, this baby is going to turn into Morse code.
Psst. Got something funnier? Add your own funny tattoo.
"Hey excuse me, what time is it?"
"...Oh it's only right twice a day, sorry."
From Dante's The Divine Comedy, translated to "abandon all hope, ye who enter here"; tattooed on the pelvic region of a woman.
A ruler tattooed on one's penis either parallel or perpendicular to one's love sword depending upon the ruler owner's attributes. See also Sex.
An "M" tattooed on each butt cheek so when you bend over it says "MOM" (or rather "M*M"). See also Crass.