noun which may take the genitive case particle 'no'
intensely thrilling; super gripping
Colloquial emphatic form of 迫力 (power, impact). The prefix ド adds a strong, slangy intensification, like 'super' or 'mega'.
あの映画のアクションシーンはド迫力だった。
The action scenes in that movie were super intense.
ド迫力のライブに感動した。
I was moved by the incredibly powerful live performance.
Standard word for 'power' or 'impact'. ド迫力 is a slangy, intensified version.
Emphatic prefix ド (intensifier, often slang) attached to 迫力 (impact, power). The prefix ド is thought to derive from ど (度) or as a sound-symbolic intensifier, but the exact origin is uncertain.