What is Old Timer?
1.
Someone thats been alive for a long time
The word can be used like this "Man that old timer knows his stuff, go ask him how to do it" If you need fishing tips ask a old timer they know there stuff
See
2.
An old pedophile South Dakota who drives a big van which he claims has candy inside, and plays Counterstrike in his basement while he masturbates to his extensive collection of asian, kiddy, bdsm porn.
"please, no, HELP!! NOO!! dont take me home with you Old Timer. NOOOOOOOOOOOOOOO!!! I dont want it! I dont want it! What are you doing with that handkercheif and that bottle of clear odorless liquid?! no HEEEEEELP!"
See
3.
When you are in the shower and you let your hand get wrinkly from the water, so it looks like an old person's hand, before you start masturbating.
He's been in the shower for almost half an hour now! He must be giving himself an old timer.
See