noun
bad pun; corny joke; feeble joke
A pun or wordplay that is considered lame, corny, or groan-inducing. Often elicits a reaction like 'that's so bad it's funny'.
See also: しゃれ
彼のダジャレはいつも寒い。
His puns are always so lame.
父は食卓でよくダジャレを言って、家族を苦笑いさせる。
My dad often tells corny jokes at the dinner table, making the family wryly smile.
しゃれ is a neutral term for a pun or witty remark, while だじゃれ specifically refers to a bad or corny pun.
Compound of 駄 (da, 'poor, cheap') + 洒落 (share, 'pun, witticism'). The reading じゃれ is a voiced variant of しゃれ.