This is probably still not advisable, but whenever I get one those calls where I happen to be curious enough to answer, I wait for a beat to see if anyone says

This is probably still not advisable, but whenever I get one those calls where I happen to be curious enough to answer, I wait for a beat to see if anyone says anything, and if they don't I start screeching, making monkey noises, farting sounds, and it always just hangs up as soon as I start.