Moan

To your own surprise and horror, you don’t make any sound someone being violated by a cop should make. Instead, you find yourself letting out a very lewd moan, blushing and putting your head to the hood in embarrassment. Shit, why does it feel so good?!

The sarge hears your moans, and takes it as confirmation of her suspected sluttiness. This leads to another finger, then another, stretching and roaming inside of you and causing more lewd noises.

From the other end of the police cruiser you don’t hear the same noises, but some gurgling sounds and the rookie’s moans. That might concern you more if the sarge didn’t say “hmmm nothing but a slutty ass on a sissy whore. Maybe I should check deeper…”