Kackalack
A dumb noise that comes out of a person when they think they’re the funniest thing since the invention of bad puns.
He did a 'Kackalack!' after I told a joke that wasn’t even funny.
She did a 'Kackalack!' in the middle of a Zoom call and got kicked out.
He sent a group message with just 'Kackalack' and no one replied.