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 solved!, solved !, likely solved!, f.a.t., and open !.
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
Solved!
: "Unmatching collar points on a shirt"
17 posts
#2
Solved !
: "5cm metal thing looking like bullet, says bmv 10b. Found in the loft in 1930s house. Found in UK"
5 posts
#3
Likely Solved!
: "Black object with fluted end that may spin, other end has tabs that look to clip into something"
4 posts
#4
F.A.T.
: "Two small plastic things with metal inside it, found in an older camera bag."
2 posts
#5
Open !
: "2x2 Fabric found thrifting! Not pillow sham"
1 post
#6
Open
: "What is this key found among the possessions of elderly man?"
1 post
#7
Solved
: "Red, about 6"x6", attached to the water heater, and plugged into the wall."
1 post
Member Growth in r/whatisthisthing
Yearly
+168k members(5.6%)
Similar Subreddits to r/whatisthisthing
r/bonecollecting
238k members
22.8% / yr
r/coins
396k members
25.1% / yr
r/whatisit
3.0M members
98.3% / yr
r/whatsthisrock
703k members
15.5% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/whatisthisthing, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: October 31, 2026