That's what got me into that fast crowd at school, really.

She worried about her teen-age son, who ran with a fast crowd in town.

The girls quickly fell in with a fast crowd of teen-agers who live on the streets and smoke drugs.

She'd get Ginny involved in that fast crowd, and God knew what might happen.

But she denied that she had traveled with "a fast crowd" or was a "party girl."

It still wanted to join the fast crowd, though.

But clearly, Robin was running with a fast crowd, far too fast for his age.

But she's not in with the fast crowd anymore; they don't want her and she's scared to death of them.

By all accounts, Mr. Cunanan did move in a fast crowd.

And I believe he ran with the fast crowd there.