One day, the fat kid came up to me and asked me, "What's cracking?" The floorboards, you idiot. You're causing a 9.7 Richter scale earthquake and asking ME what's cracking. It would be best if you looked down for a second.
The Cracking Floorboards
Categories
Explanation
Experiment
The joke plays on the kid's weight and the implied damage it's causing. The speaker sarcastically tells the kid that it's the floorboards 'cracking' because of his weight. The humor comes from the insult and the absurdity of the situation.