特とく大だい号ごう

noun

special enlarged issue; bumper issue

Used for magazines, newspapers, or other periodicals that are published with extra content or larger size than usual.

• 今こん月げつのファッション誌しは特とく大だい号ごうで、付ふ録ろくも豪ごう華かだ。

  This month's fashion magazine is a special enlarged issue, and the free gift is also luxurious.

• 年ねん末まつの新しん聞ぶんは特とく大だい号ごうになることが多おおい。

  Year-end newspapers often become special enlarged issues.