thingumajig
n 1: 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" [syn: {doodad},
{doohickey}, {doojigger}, {gimmick}, {gizmo}, {gismo},
{gubbins}, {thingamabob}, {thingumabob}, {thingmabob},
{thingamajig}, {thingumajig}, {thingmajig}, {thingummy},
{whatchamacallit}, {whatchamacallum}, {whatsis}, {widget}]