thingamabob
12 synonyms for thingamabob, grouped by meaning and by how common each one is.
Noun — An object or person whose real name you cannot remember.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
An alteration of thingumbob, itself made up of the obsolete word thingum (from thing) and bob; first recorded in 1751 as thingumbobs.
Full origin of thingamabob →