What does tailfins mean?

tailfins (noun): A fin at the tail of a fish, caudal fin As a hashtag, #tailfins carries this topic across social platforms.

How popular is #tailfins?

#tailfins has no measured public activity on the open social web in the last 7 days. It is currently wide open.

What hashtags are related to #tailfins?

No related hashtags with measured usage were found for #tailfins.

How much does it cost to own #tailfins?

#tailfins is available as a #name from $110.68 per year. You can claim it by card at https://hashtag.org/checkout/portal-name?name=tailfins or with tokens on hashtag.space at https://hashtag.space/#tailfins.

#tailfins

Name: #tailfins — a #name on hashtag.org
Brand: hashtag.org
Price: 110.68 USD
Availability: InStock

Live, measured metrics for the hashtag #tailfins from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #tailfins

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$110.68/ year · 8-character #name

Claim #tailfins — $110.68/yr→Buy on hashtag.space (web3)

card via hashtag.org · tokens via hashtag.space

Uses / 7 days

Mastodon

Accounts / 7 days

Mastodon

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-25 23:50 UTC

09-19

09-20

09-21

09-22

09-23

09-24

09-25

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-25 23:50 UTC

No related tags with measured usage found for #tailfins.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-25 23:50 UTC

Everything below is measured over the latest 2 public posts (spanning ~26753 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (2)

Avg boosts / post: 2

Used together with

#classic ×2 #filmphotography ×1 #kodak ×1 #trix ×1 #camera ×1 #film120 ×1 #mediumformat ×1 #rolleiflex ×1 #bwfilm ×1 #monochrome ×1 #photography ×1 #tx ×1

What “tailfins” means

Wiktionary · Wikipedia

tailfins

nounA fin at the tail of a fish, caudal fin

Full entry on Wiktionary →

The tailfin era of automobile styling encompassed the 1950s and 1960s, peaking between 1955 and 1961. It was a style that spread worldwide, as car designers picked up styling trends from the US automobile industry, where it was regarded as the "golden age" of American auto design and American exceptionalism.

“Car tailfin” on Wikipedia (CC BY-SA) →

#tailfins across platforms

every network with a public tag surface

Follow #tailfins straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/tailfins