whatchamacallit

['wɔtʃəmə.kɔ:lit]

n. 某某, 那东西(用以称呼一时想不起名称的人或东西)
=what-do-you-call-it

词形变化:

异体字: whatchamacallum |

详细释义:

=what-d'you-call-it