超ちょう特とく大だい

noun which may take the genitive case particle 'no', na-adjective, noun

double extra-large; XXL; 2XL

Used for sizes larger than 特大 (extra-large), often in clothing, food portions, or product sizes. The prefix 超 emphasizes exceeding the already large standard.

• このTシャツは超ちょう特とく大だいサイズです。

  This T-shirt is a double extra-large size.

• 超ちょう特とく大だいのポテトを注ちゅう文もんした。

  I ordered a double extra-large fries.