To stimulate the female genitalia.
"Her parents weren't home so she decided to swab the deck."
When someone is told to swab the deck, they are being told to either eat a dick or clean a dick, depending on the context.
Pirate: Arrr!! Fundo. Swab the deck!!
Fundo: No way!! I ain't touching your smegma!!
Pirate: Arrrr!! Then, swab the deck, Fundo!!
the act of pooping on your partners chest and rubbing it in with your butt cheeks during sexual intercourse.
i met this girl at a party once . i thought i was kinky. she requested that i donkey punch her and i was down for it but before i donkey punched her she wanted me to start swabbing the deck
When an intense shit becomes either/or too messy or too burny and one is forced to dunk a was of toilet paper in the toilet bowl before wiping. (after a flush of course)
"My asshole is on fire! I need to swab the deck!
When you are having a threesome and one of the girls (or guys) is cleaning your ears with q-tips really fast. Its orgasmic!
"Last night I was doing this one chick while the other was swabbing the deck."
The act of gay pirates rimming each other.
"Yarr, ye be swabbing the poop deck, or I be sendin' ye to Davy Jones' locker!"
A sexual act where you dip your penis in lukewarm soapy water then proceed to rub it along your partner's anus in a mopping motion.
I brought Becky up to my room and she totally let me swab the poop deck.