Flatline on X: trending history

Flatline has trended in 7 locations since 10 February 2021, reaching #10 in Malaysia. It was last on a list 21 January 2026.

First seen
10 Feb 2021
Last seen
21 Jan 2026
Locations
7
Best rank
#10 Malaysia

Biggest days

10 Feb 2021
1 location
15 Feb 2021
4 locations
22 Sep 2022
1 location
20 Jan 2026
2 locations
21 Jan 2026
1 location

Where it trended most

Every time it trended

List updates per year, all locations.

2021
8 updates, 2 days
2022
3 updates, 1 day
2026
3 updates, 2 days

Post volume on its busiest days

Highest volume recorded with the trend; 1 day has a figure.

  • 15 February 202121,761 posts

From twtData's records of X trends in 450+ locations: the biggest countries every hour, the rest once a day. An "update" is one snapshot that listed this topic. Rank and hours on the lists count from November 2025, when our snapshots started keeping X's order; earlier days count only for locations and dates. 3 hours on the lists since then. Counted across 3 spellings.