What is Turkey Gobble?
1.
While bending completely over and mooning someone, thus creating the appearance of a turkey as viewed by the one getting mooned, the person getting mooned in turn starts to lick (eat) the mooner's package - thus creating the turkey gobble.
When Ben mooned Betty, she got so excited and gave him a turkey gobble.
See
2.
Whenever a man shoves his balls back between his legs to show someone unfortunate enough to have answered... "No, I haven't seen a turkey gobble."
"Hey, ever seen a turkey gobble?"