Wiktionary
dealie
n. (context informal English) A thing, especially one seen as complex or having much associated with it.
Usage examples of "dealie".
Singh, he said I couldn't park with the handicaps even though I got the blue wheelchair dealie on the mirror.
The editing (a strength of the first two films) is inconsistent, as is the CGI, and cutting Saruman from the final third of the trilogy was not a terrific idea—without Christopher Lee to put a human face on evil, we are left with the Sauron's-flaming-eye dealie, which comes to acquire all the menace of one of those decorative electronic objets d'excess income that can be ordered from yuppie catalogs.
Us Catholics also had the Inquisition, that was the little dealie with the rack and the thumbscrews and all that stuff.