of course!; obviously!
Jocular, punning expression based on 当たり前 (of course) and the cracker brand 前田のクラッカー. Used playfully to emphasize that something is obvious.
See also: 当たり前
"Tomorrow is Sunday." "Of course it is!"
そんなの当たり前田のクラッカーだよ。
That's Captain Obvious stuff.
Standard kanji-katakana spelling for this humorous phrase.
Variant with the first part in hiragana; less common but still seen.
A pun on 当たり前 (atarimae, 'obvious') and the real cracker brand 前田のクラッカー (Maeda no kurakkā). The phrase plays on the shared sound まえだ.