1) 鉄板てっぱん #11,858 Link copied! Common てっぱん [0] Meaning Shirabe ① Noun iron plate; steel plate ② Noun Colloquial sure thing; certain winner See also: 鉄板ネタ (てっぱんネタ) Kanji 鉄 テツ iron 板 ハン plank, board, plate Forms 鉄板#11,858鉄板てっぱんテッパン#115,505テッパンてっぱんてっぱん