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1.
another way to say thing, doodad, thingamajig, etc.
coined by james
Check out this dealy.
by Shiruken December 08, 2004
 
2.
Word used to describe anything and everything. Particularly when the word you need is forgotten!!
Me: What's the name of that dealy over there?
Other: A remote control... Dumbass
by jizzlemctizzle May 02, 2008
 
3.
1. Used to refer to that one previously mentioned.

2. Used of a nonhuman entity; an animate being whose sex is unspecified, unknown, or irrelevant
What does that dealy there do?

My dealy is better than your dealy.
by MrRadicalEd March 09, 2004
 
4.
desribes a thing that you cannot name at the time. see also whatchamacallit.
"did you bring the...um....the uh, dealy?"
by Kevonte' Chilous March 02, 2005