This adjective is not so commonly seen.
ban·dáy
stupid
The more widely used words for “stupid” are tangá and bóbo.
MGA KAHULUGAN SA TAGALOG
bandáy: tunggák
1. Suwail.
2. Ulol, bang-aw, loko, hibang.
3. Gunggong, torpe.
4. Hirati.
kabandayan, magbanday, magpakabanday