A fork of Rural Dictionary
The act one sticking one's thumb up someone's ass. Similar to wedgies and wet-willies, thumbkins are generally considered more 'classy' and are often used in gentlemenly situations.
"I say, I do believe I have received a thumbkin!"
"Thankyou sir may I have another?"
Performing the act of splinting on a consensual female partner, while performing oral sex on her. This involves inserting your thumb into her vagina, pushing down towards the anus to help her relieve constipation, while sucking on her clit.
"My lady was horny as hell, but also constipated so I offered to give her a thumbkin. The simultaneous orgasm and poop drove her absolutely wild with pleasure!"
"I bet it did! You're an inspiration to us all my friend."
When someone sticks their toe in your anus while going down on you at the same time.
Kimberly was mortified to hear that Christy let that carnie give her a thumbkin. What a ho!
Performing the act of splinting on a consensual female partner, while performing oral sex on her. This involves inserting your thumb into her vagina, pushing down towards the anus to help her relieve constipation, while sucking on her clit.
"My lady was horny as hell, but also constipated so I offered to give her a thumbkin. The simultaneous orgasm and poop drove her absolutely wild with pleasure!"
"I bet it did! You're an inspiration to us all my friend."