L337LATURE when you replace normal letters with fancy symbols just to look cool and act like you're the king of the internet Expand 1337 15 7h3 7457 0f 7h3 1n73rn37gr337 15 7h3 50ul3 0f 7h3 7r3377h3 50ul3 0f 7h3 7r337 15 1337 + Examples