I am terribly grateful; thank you so much
Jocular, exaggerated expression of gratitude. Originates from a play on 乱射乱撃雨霰 (ransha rangeki ame arare, 'random shooting like rain and hail'). Used humorously to emphasize deep thanks.
Receiving the present, he shouted, 'I'm terribly grateful!'
手伝ってくれてありがとう。感謝感激雨あられだよ。
Thanks for helping me. I'm so grateful I could cry.
Standard humorous spelling; the あられ part is often written in kana.
Full kanji spelling, less common but still seen.
A jocular phrase combining 感謝 (gratitude) and 感激 (deep emotion) with 雨あられ (rain and hail), originally a play on 乱射乱撃雨霰 (ransha rangeki ame arare, 'random shooting like rain and hail'). The exact origin is uncertain, but it is used for humorous, exaggerated thanks.