Liar's Club: the whiteboard game that kills ten minutes or fifty
Three students invent definitions for a real English word while the class votes on which is true. No prep, no printing, and you control the difficulty by choosing harder words or tighter time limits.
Park English · Published 2026-08-20 · Updated 2026-08-20 · 3 min read
Print it out
No sign-up, no email. Opens a clean print page.
Liar's Club: the whiteboard game that kills ten minutes or fifty
You have twelve students, a whiteboard, and fifteen minutes before the bell. Or fifty minutes and no photocopier. Either way, this works.
Pick a word your class doesn't know — something real, checkable in a dictionary, but outside their level. "Bungalow" for elementary. "Flabbergasted" for middle school. "Bellicose" for high schoolers who think they know everything.
Three students come to the front. One of them gets the real definition, whispered or shown on your phone. The other two get nothing. Their job is to invent a definition that sounds plausible enough to fool the class. Give them two minutes to prepare, or thirty seconds if the room's getting loud. The tighter the timer, the funnier the nonsense.
Each student reads their definition aloud. The class votes. One point for every vote a liar earns, one point for everyone who spots the truth. We've watched a student convince nine classmates that "gregarious" means "related to Gregory Peck" because she sold it with a straight face.
How to scale it
| Change this | To make it easier | To make it harder |
|---|---|---|
| Word choice | Concrete nouns (pergola, turmeric) | Abstract terms or verbs (languid, cajole) |
| Prep time | Three minutes to write | Thirty seconds, no writing |
| Team size | One truth-teller, one liar | One truth, three liars |
| Voting | Hands up | Must explain their vote in a sentence |
Elementary kids need objects they can picture. Middle schoolers can handle adjectives if you let them draw while they think. High schoolers will try to derail you with Wikipedia on their phones, so either ban devices or make that part of the game: one team researches, one invents.
Why it works in a hagwon
Korean students at hagwon have often spent the school day being quiet. This lets three of them lie publicly, which is rare and good. The ones in their seats get to judge, which they enjoy more than you'd think. And because the definitions are read aloud, not written on a test, the kid with perfect grammar and no confidence gets beaten by the kid who can barely spell but commits to the bit.
It also survives chaos. If a student freezes, the others cover. If someone's definition is two words long, it's funny rather than wrong. You can run six rounds in twenty minutes or spend a full class on three words, depending on whether you're filling time or teaching vocabulary retention.
One warning: pick the word yourself, at least the first few times. We once let a high school boy choose and he went straight for a body part that had the room screaming. He wasn't wrong about the dictionary, but his homeroom teacher heard it from the hall.
What they actually learn
Guessing a definition is harder than choosing A through D on a multiple-choice sheet, so students listen harder. The liars learn to construct a sentence that sounds like a real definition — noun phrase, function, context — which is tighter writing than most textbook exercises require. And the whole room hears the same word five or six times in three minutes, which beats flashcards.
We've also seen students remember these words months later, not because they studied them but because they remember laughing when Jisoo said "truculent" means "a small truck."
Run it once and you'll know in five minutes whether your class has the English to sustain it. If they don't, try it again in a month. If they do, it's now in your back pocket forever.