The “cake” is a literal cake, and the concept is printed pictures on sticks or straws that you put into the cake as you mention or explain the unconventional person. It’s just a “viral” online trend, a random fun thing friends do.

I think they meant “hear me out” crush

Yeh it was eye opening how far I have drifted from the zeitgeist when I had to decode so much additional context to even be able to parse the sentence let alone see the humour of it. Feelsbadman

I feel like it might have been a typo of “case.”

How old are you? Beef cake has been used to describe an attractive muscular male body for decades. Not that far-fetched to see the connection.

OP’s mom right now

This guy clearly fucks.

What else would you identify him as?

I’m in trouble deep