be a one (English, verb)
expansion: be a one (third-person singular simple present is a one, present participle being a one, simple past was a one, past participle been a one)
Senses:
glosses: To be amusing in a slightly challenging way.
tags: UK
dated
informal
Forms:
form: is a one
tags: present
singular
third-person
form: being a one
tags: participle
present
form: was a one
tags: past
form: been a one
tags: participle
past