sincerely really

The way little kids say seriously

Makai:omg Zaia look my mommy let me paint my nails!
Zaia: sincerely really?!
Makai:Yes sincerely really!

sincere french

Someone who is delulu and loud usually black or a monkey

my friend hailey is being talk to by sincere french

Post-Ironic Sincerity

The act of using a phrase or word in a sincere or unironic manner, that originally was only used or meant in an unironic manner.

"What up, Fam"
"Bro, did you just say 'Fam' unironically? You used to make fun of people who say that."
"Oh shit... I guess I did."
"That is some Post-Ironic Sincerity"