It might have been mentioned once or twice on here.

He served until the end of the war and was twice mentioned for valuable services.

This individual I have mentioned once or twice in other contexts.

Before he'd been brought to the fort that afternoon, she'd only known him as a name mentioned once or twice by her late husband.

He had also been mentioned twice in dispatches during the year.

But the case, though twice briefly mentioned, is never explored.

"I don't think her name was mentioned twice tonight," he admitted.

She is also known to like cheeseburgers, mentioned twice in the series.

Canada was mentioned twice in the first of the 2000 presidential debates.

It was mentioned twice at the beginning of the song, and back announced once, its debut week.