whatchamacallit
whatchamacallit
nounDefinition of WHATCHAMACALLIT
a small article the actual name of which one either does not know or cannot remember <I need one of those whatchamacallits to connect the two patch cords>
Synonyms dingus, doohickey, hickey, thingamabob, thingamajig (or thingumajig), thingummy, whatchamacallit, whatnot, whatsit (also whatsis or what-is-it)
Learn More About
Seen & Heard 
What made you want to look up whatchamacallit? Please tell us where you read or heard it (including the quote, if possible).
