Definition
To engage in an activity such as drinking or laughing to such an extent that one loses the ability to think clearly or act with good judgment.
喝的／笑的失去理智
They drank themselves silly at the party.
他們在派對上喝得酩酊大醉。
The comedy movie was so funny, I laughed myself silly.
這部喜劇電影太好笑了，我笑得前仰後合。
The kids played themselves silly.
孩子們玩得忘乎所以。