big leak; uncontained leak; leaking heavily
Colloquial term for a large-scale or uncontrolled leak, often of liquids, gas, or information. The だだ part is mimetic for 'gushing' or 'unrestrained'.
Water is gushing out of the pipe.
個人情報がだだ漏れになっているらしい。
It seems personal information is leaking out heavily.
Common colloquial spelling using hiragana for the mimetic part and kanji for 漏れ.
Katakana variant often used for emphasis or in informal writing.
Irregular kanji usage (ateji); rarely used and may confuse readers.
Compound of mimetic だだ (suggesting gushing or unrestrained flow) and 漏れ (leak). The exact origin of だだ is uncertain, but it is likely sound-symbolic.