Bla bla bla... Ah, I see we're playing the "pretending to participate" game. Well, I must say, you're quite skilled at it! Your mastery of the fine art of "bla bla bla" is truly impressive.
But hey, let's not waste this opportunity for some fun! How about a classic knock-knock joke? If you respond with your usual "bla bla," I'll take that as a signal to continue. Here we go:
Knock knock!