This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
The exact historical development of 怓 is uncertain. It visually combines 忄 (heart) with 奴, but the original semantic and phonetic roles are unclear.
The heart radical 忄 beside 奴 suggests an emotional state, but the specific meaning is unclear. Imagine a heart troubled by servitude or turmoil.
For ドウ, picture a heart in turmoil beating like a drum: dou -> ドウ, echoing the unsettled feeling.