精力絶倫
せいりょくぜつりん
seiryokuzetsurin
JMdict entry #2031650
- adjectival nouns or quasi-adjectives (keiyodoshi)nouns which may take the genitive case particle 'no'noun (common) (futsuumeishi) yojijukugo being of unbounded energy; being with matchless vigor; having endless sexual stamina