Slang for anus.
Derrived from the fact that the anus looks like a Sherrifs Badge.
See also "Rusty Sherrif's Badge"
That sheila on that porno last night had a tidy Sherrif's badge.
6👍 23👎
Fucked that sheila last night in the sump.
or
You love it in the sump you dirty prick!
11👍 20👎