r/whatisthisthing is a subreddit with 3.2M members. The community frequently discusses found, metal, hard time, unknown object, and identifying, and the most common flair used is open, solved!, solved !, likely solved !, and solved.
For the identification of mysterious objects
Popular Topics in r/whatisthisthing
#1
Found
89 posts
#2
Metal
43 posts
#3
Hard Time
32 posts
#4
Unknown Object
29 posts
#5
Identifying
28 posts
#6
Object
28 posts
#7
Annoying
25 posts
#8
Looking
24 posts
#9
Looking For
24 posts
#10
Name
24 posts
Flair Used in r/whatisthisthing
#1
Open
: "Small metal octagon with mustached man - threaded onback"
8 posts
#2
Solved!
: "Small lightweight silver aluminum/plastic thing found in dishwasher"
7 posts
#3
Solved !
: "Wooden Antique Desk that opens half way and has holes in an enclosed area"
4 posts
#4
Likely Solved !
: "Small soft white plastic item found on floor of museum after high school field trip group"
2 posts
#5
Solved
: "Some sort of IBM machine in a briefcase at an electrics show?"
1 post
#6
F.A.T.
: "Kitchen/Bar Tool of Some Sort, Picture probably makes it obvious but I can't figure it out"
1 post
Member Growth in r/whatisthisthing
Yearly
+160k members(5.3%)
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Last updated: September 15, 2026