Any device or machine, especially one whose name cannot be recalled. Often either clever or complicated.
Any consumer electronics product.
A sequence of machine code instructions crafted as part of an exploit that attempts to divert execution to a memory location chosen by the attacker.
A technique for converting a part of one problem to an equivalent part of another problem. Used in constructing reductions.
Synonym of thingy: something one cannot remember the name of, or is unable to or does not care to specify precisely.
Synonym of whatshisname: someone one cannot remember the name of.