The act of sticking one of your toes in the water with the jets on.
Martha is popping a toe in tods bath.
The act of turning on your jets in your bath tub, and piping your toe in to test the water.
(Mike)Hey Tammy can I come to your house to pop a toe real quick in your tub. (Tammy) yea sure I'll turn on my jets.
A female who is extremely talented at fellatio that she can suck your toes till they pop.
Veronica sure is ugly, but she can suck the pop out yo’ toe...