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Another way of saying "no cap" or "nothing but the truth" inspired by One Piece's "whole cake" arc.
Ex 1:
Person 1: Yo fr??
Person 2: Yup whole cake bro 💁🏼

Ex 2:
Person 1: Aye you lying dawg 💀
Person 2: Bro issa whole cake Im serious 💀
by shesacelebrity December 10, 2018
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