expression, godan verb (-ru)
make a pun on a word; play on words
Used when twisting or altering a word or phrase for humorous or rhetorical effect, often in wordplay or puns.
彼はよく言葉をもじって冗談を言う。
He often makes jokes by playing on words.
そのキャッチコピーは有名な言葉を
That catchphrase is a pun on a famous word.