Colloquial, somewhat old-fashioned or jocular phrase used to acknowledge understanding and willingness to take on a task. Often heard in period dramas or used playfully.
"Carry this luggage for me." "Got it, leave it to me!"
彼はいつも「合点承知之助」と元気よく返事をする。
He always replies cheerfully with "Got it, roger!"
Standard kanji spelling for this colloquial phrase.
Variant with の in place of 之; same meaning.
Mixed kana-kanji spelling; がってん is written in kana.
Mixed kana-kanji spelling with の.
A colloquial phrase combining 合点 (understanding) and 承知 (knowing/consent) with the old-fashioned male name suffix 之助 (のすけ), creating a playful, emphatic 'understood!' expression.