Webster's Revised Unabridged Dictionary · 1913

Tirl

Tirl , intransitive verb

[Compare Twirl, Thirl.]

1.
To quiver; to vibrate; to veer about. [Scottish & Provincial English]
2.
To make a ratting or clattering sound by twirling or shaking; as, to tirl at the pin, or latch, of a door.