crack one's fingers

Verb

To pull or push one's fingers so that the joints make a cracking noise.

Japanese Meaning

指の関節を鳴らすように、指を引っ張ったり押したりすること / 指の関節をポキポキと鳴らす行為

It's common to crack one's fingers when feeling anxious.

不安を感じると指の関節を鳴らすのはよくあることです。

Sense（1）

To pull or push one's fingers so that the joints make a cracking noise.

cracks one's fingers

（ present singular third-person ）

cracking one's fingers

（ participle present ）

cracked one's fingers

（ participle past ）

cracked one's fingers

（ past ）