world's hardest tongue twister

Hardest Tongue Twister [VIDEO]
Hardest Tongue Twister [VIDEO]
Hardest Tongue Twister [VIDEO]
"Pad kid poured curd pulled cod." Researchers -- yes, actual researchers spent time on this -- at Massachusetts Institute of Technology (MIT) have deemed this sentence as the world's hardest tongue twister. MIT psychologists tried to determine if they could induce "double sound mistakes" (like "c" and "t") with different tongue twisters, and recorded volunte