to the teeth

1. Completely, fully, as in Obviously new to skiing, they were equipped to the teeth with the latest gear . This idiom dates from the late 1300s. Also see armed to the teeth ; fed to the gills .

2. Also, . Fully committed, as in We're in this collaboration up to our teeth . [First half of 1900s] Both of these hyperbolic usages allude to being fully covered or immersed in something up to one's teeth.

Example Sentences

Even then, when Arisu is ambushed by an adversary armed to the teeth, Chishiya doesn’t help him, preferring to stand back and wait for the situation to sort itself out.

From Salon

What helps is preparing yourself to the teeth.

From Los Angeles Times

And they were all armed to the teeth.

From Literature

Once again, Europe was armed to the teeth.

From Literature

Before you head outside, armed to the teeth with tools, pause.

From Seattle Times