A combination of a chad and a sweetheart.

Someone that undergoes immense self-sacrifice for the benefit of others in the way that only a chad could ever hope to, or undertaking a costly altruistic task that only a chad is suited for.

Said as a show of affection or to give thanks.
Person 1: Wow, Randall actually sat through that 5 hour video just to give us these timestamps.
Person 2: What an absolute chadcake.
by Tekaiguy June 2, 2022
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