doohickey

/ˈduhɪki/

noun

Meaning

A thing (used in a vague way to refer to something whose name one cannot recall)
"What does this doohickey do?"

Synonyms

da kine,

dohickey,

dojigger,

doodad,

doodah,

gimmick,

gismo,

gizmo,

gubbins,

hickey,

kajigger,

thingamabob,

thingmabob,

thingumabob,

thingummabob,

thingamajig,

thingmajig,

thingumajig,

thingummajig,

thingummy,

thingy,

whaddayacallit,

whatchamacallit,

whatsit