To give a pleasurable, twist-like handjob. An example would be in the form of a large, wooden pepper grinder used at an upscale restaurant.
“Hey, how was time with that girl last night?”
“It was great! She really knows how to “serve pepper!”
To give a pleasurable, twist-like handjob.
“You know Alice, by any chance?”
“Oh yeah! She knows how to “serve pepper!”