When you bust a nut that is larger and whiter than normal, typically because of a very attractive female.
Dude, she was thicc as hell and made me bust a phat nut.
by Fatasianboi March 6, 2018
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Synonymous with “Big Mood” in a positive situation. See “slender nut” for a negative mood. Can be used as an adjective or a noun.
Zach: I LOVE Highschool Musical man
Sarah: phat nut
by Cawcaw June 19, 2018
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When she sucked you but left you with blue balls (you didn't get to nut) for a week and she comes back for her weekly visit to yo dick (nut launcher) then she lets you at her pink velvet (puss puss) only for you to nut within 1 min so hard that your condom gets stuck in her uterus.
That bitch rubbed me so hard I gave her a nice Sub-sonic Mighty Phat Nut
by TURBONUTBOI April 18, 2018
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