Top Definition
to burp in one's asshole and have them fart it back in your face.
honey i got to burp can we fizz nuck real quick?

honey sex hasnt been the same how bout you eat a burrito before bed so we can fizz nuck all night

dude i got the worst taste in my mouth, my girl and i were fizz nuckin last night
by nacho & diego May 12, 2009
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