bit between one's teeth

Noun

 * 1) Complete control of a situation; a stance that cannot be controlled or restrained by anyone else.
 * 2) A large degree of focus and commitment to a task.
 * 1) A large degree of focus and commitment to a task.
 * 1) A large degree of focus and commitment to a task.
 * 1) A large degree of focus and commitment to a task.
 * 1) A large degree of focus and commitment to a task.

Usage notes

 * Most often used in a phrase such as to take the bit between one's teeth, to get the bit between one's teeth, or to have the bit between one's teeth.
 * Other forms may occur without between, e.g. take the bit in one's teeth.