单词nonce word
na.: (为某一场合或特殊需要)临时造的词网络: 临时造词；临时语；而临时造的词
A nonce word is a word coined usually in imitation of the familiar word for a particular occasion and accepted into general usage .
临时词语是通常为用于一个特定的场合模仿熟悉的词创造出来一个新词语，这种词语在用法上一般可以接受。