Reposted by Twink Lobotomy

COLUMBO: oh, you're a poster? my wife, she loves to post. always telling me her little jokes. mind reading me one of yours?
ME: um. "bouncing on it innocently. bouncing on it with an ironclad alibi"
COLUMBO: oh that's a good one. i just wonder... why'd you post that 2 hours before the murder?