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also thing·um·a·jig  (thĭng′ə-mə-jĭg′)
n. Informal
Something whose name is unknown or forgotten.

[Alteration of obsolete thingum (from thing) + jig.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thingumajig - something unspecified whose name is either forgotten or not knownthingumajig - something unspecified whose name is either forgotten or not known; "she eased the ball-shaped doodad back into its socket"; "there may be some great new gizmo around the corner that you will want to use"
stuff - miscellaneous unspecified objects; "the trunk was full of stuff"
References in periodicals archive ?
The show is presented by Thingumajig Theatre, and takes place at Knowsley Leisure and Culture Park, on October 18, at 1pm.
Hullaba Lulu - Darlington Arts Centre Using puppets, masks and live music, West Yorkshire's Thingumajig Theatre, right, creates innovative visual performances, puppet shows, giant puppets and stunning outdoor events to tell a good story.
The line-up of theatre companies includes Thingumajig Theatre, M6 Theatre Company, Clydebuilt Puppet Theatre and Garlic Theatre.
THINGUMAJIG Theatre presents a tale about an unreliable clown trying to explain the book of Genesis using household objects, puppets and physical theatre.