Hypertext Webster Gateway: "dohickey"
From WordNet (r) 1.7 (wn)
dohickey
n : something whose name is either forgotten or not known [syn:
{dojigger}, {doodad}, {doohickey}, {gimmick}, {hickey}, {gizmo},
{gismo}, {gubbins}, {thingamabob}, {thingumabob}, {thingmabob},
{thingamajig}, {thingumajig}, {thingmajig}, {thingummy}]
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