thingamyjig

thingˈamy, thingˈummy, thingˈamybob, thingˈamyjig, thingˈumabob, thingˈumajig, thingˈumbob, thingˈummybob or thingˈummyjig noun (informal)

1. What-d'you-call-him, -her, -it

2. What's-his-name, etc (used when one cannot or will not recall the name)

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Main Entry: ↑thing