Circle, circle, DOT, DOT,
now you have a cootie shot.
The Big Bang Theory Season 2, Episode 10
Well, you really wanna DOT the I's...
The Big Bang Theory Season 4, Episode 4
♪ A DOT without the com
The Big Bang Theory Season 7, Episode 6
Circle, circle, DOT, DOT,
now you have a cootie shot.
The Big Bang Theory Season 2, Episode 10