When you cum on the girls pussy and rub her pussy with your big toe and spread your cum like butter on her pussy. Then as your fucking her your penis will have a golden look to it like butter does
by Ketchup in a jar December 5, 2017
Get the Nut buttermug. When the male testicles tighten from becoming warmer than 96.6 degrees Fahrenheit and raise up toward the body.
by ChloeV124 December 1, 2016
Get the Butter Nutsmug. 
The fine art of ejaculating onto a piece of toast and then spreading butter over the toast, thus mixing the cum and butter and delivering it to the enemy of the one who ejaculates.
by ThatAsianGutBuster December 25, 2015
Get the butter nuttingmug. by Lix_iDrxp September 16, 2022
Get the Butter-Nut Cheesemug. by SmaknDATass532 November 28, 2015
Get the butter nutsmug. When you’re giving a guy a blowjob while he’s sitting down, the balls create a natural bowl shape, enabling a shallow pool of precum and saliva to form. Then, once a formidable amount has built up, you deep throat him and slurp it all down.
by SteadyEddiethebigshypisces December 19, 2022
Get the Nut Butter Gazpachomug.