Thwomps are long-running enemies in Nintendo's Super Mario series, first appearing in Super Mario Bros. 3 as spiked stone blocks that hover above corridors and drop when Mario passes underneath. Their gruff, effortful noises have become shorthand for sudden weight and bad timing, and short clips of them circulate widely on gaming soundboards and in short-form edits. Because the sound is so brief and instantly recognisable to Mario players, it still works as a quick punchline for crushing failures, blocked paths and moments when a plan literally comes crashing down.