New Content Ideas, Viral Instagram Reels and TikTok Trends: December 17, 2025

Here are the current content ideas, trending Instagram reels, and TikTok trends on December 17, 2025:

1. When Someone Tells Me

When Someone Tells Me is a popular social media trend. Post a video with a text overlay like “When someone tells me my little side hustle won’t make it”, sharing motivational, satirical, or relatable content that resonates with your audience. 

2. Warming Up For

Warming Up For is a buzzing TikTok trend. Post a video with a text overlay like “Warming up for the upcoming sales meeting”, sharing a funny clip of yourself or your team stretching. 

3. 3 Ways To

3 Ways To… is a popular content idea. Post an educational video with a text overlay like “3 ways to scale your marketing agency”, sharing valuable tips and advice. 

4. Buy This Not That

Buy This Not That is a rising content idea. Post a video with a text overlay like “Buy this, not that skincare edition”, sharing valuable tips and advice to your audience.

5. Say Your Stupid Line

Say Your Stupid Line is a viral TikTok trend. Post a video with the text overlay like “Come on, say your stupid line”, sharing a common phrase that you or a team member says. 

@newheightshow

It really is so fun to say

♬ original sound – yumeuria

You may also want to check out some of our other recent updates.

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