I have seen this mistake quite often.
Masterbate is not a word.
The correct spelling is with a "u": masturbate; masturbating; masturbation
Unless you are old enough to remember Captain Pugwash, and are from the UK of course, where thay had the famous characters Master Bates and seaman Staines!
Don't get me started on "muffin the mule...."
Different programme, I know, but the gist is the same
Purveyor of Poetry & Porn
Thanks for that tip SweetPenny...
I'll just have to stick to phrases I can spell, like "chokin' the chicken" and "doing the five finger shuffle"...