When she's bleeding but you wanna finger bang her so you jam your thumb in her pussy and yell Kentucky Plug!
by Moresohn May 20, 2021

A sex move where you plug your thumb into your partner’s neck during sex. Sometimes can cause mild bleeding to initiate the move. SLAP rounds optional.
Me: Did you do the Kentucky Plug last night?
Brandon: Yeah I did but now I’m on trial for second degree murder.
Brandon: Yeah I did but now I’m on trial for second degree murder.
by donkmobile May 20, 2021

mid-intercourse, secretly plug your girls butthole and proceed to use your thumb as your phallus, see if you can last 8 seconds before she notices.
by WhiteBoyBen May 20, 2021

by Vikinggamer May 20, 2021

Sexual position involving the judicious application of one partner's thumb in a partner's orifice. The orifice in question need not be original equipment to the receiving partner.
by Dregan's Balls May 20, 2021

When you stick the thumb of your off-hand into your sister's ass, while you cover her mouth with the other.
Jethro was enjoying his time with Jenny while their parents were away, so he slipped her the old Kentucky plug just before she came. She gushed more than KB's jugular after a slap round.
by DaddyDingDongs May 21, 2021

When you stick a 50cal into a girls "crevices" and pull the trigger. It will not fire, but will explode and only damage the man's thumb.
"Scott sure did perform the Kentucky Plug with his wife that night! Sure hope his thumb is still ok..."
by Pooptit May 20, 2021
