(euphemistic) Alternative form of hell of a.

(literature) A story arc wherein an immoral character redeems themselves and makes right for their wrongdoings (or wherein readers perceive them as having done so).

(chemistry) the univalent radical -N=C=O (tautomeric with cyanate), and any of its hydrocarbyl derivatives R-N=C=O

simple past tense and past participle of layaway