The meaning of Doohickey

noun

A gadget or other object whose name the speaker does not know or cannot recall.

Usage examples:

The latest electronic doodads

noun

Any small device or object whose name you cannot remember or do not know

noun

(used instead of an actual name) a particular person or thing

Usage examples:

He asked if i knew where so-and-so lives., you can't trust that so-and-so.

noun

An object that one need not, cannot, or does not wish to give a specific name to.

Usage examples:

Look at that metal rail thing over there

A separate and self-contained entity

noun

A device, product, or part of nature that is not named

Usage examples:

There’s a new thing that seals plastic bags., there are some nice things in the stores on sale righ…

noun

Used to refer to or address a person or thing whose name one has forgotten, does not know, or does not wish to mention.

Usage examples:

I'm not altogether sure what happened to these pellets - i assume they got shipped out elsewhere an…

noun

Used to refer to or address a person or thing whose name one has forgotten, does not know, or does not wish to mention.

Usage examples:

One of those thingamajigs for keeping all the tools together

noun

(esp. in spoken english) a thing, the name of which has been forgotten

Usage examples:

He stood there holding this thingamajig.

noun

A person or thing whose name one has forgotten, does not know, or does not wish to mention.

Usage examples:

I gave the plastic thingy a good firm tug, just to show it who was boss.

noun

Sometimes used if you can't remember someone's or something's name

Usage examples:

Can you pass me that thingy - you know, that clip thing for holding papers together., ask thingy ov…

noun

(used when you cannot remember or do not know the name of something) an object

Usage examples:

My whatchamacallit is broken – the thing that controls the oven temperature.

noun

Used to refer to an item or items that are not identified but are felt to have something in common with items already named.

Usage examples:

Little flashing digital displays, electric zooms and whatnots

noun

And other similar things

Usage examples:

You can buy snacks and whatnot at the bar., that'll give you enough time to get the table set and w…

noun

Any object or person whose name you have temporarily forgotten or do not know

Usage examples:

Where's the whatsit that you change channels with?, you'd better tell whatsit - what's his name - t…