Fire
If you’re reading this in the future, here’s some background to explain the gag:
This comic was originally posted after Donald Trump’s first week as President. In those first few days he said and did a lot of controversial things and social media was ablaze with outrage and protest. It was not a fun time to browse the internet.
Only a few months earlier, Samsung had made headlines because their latest model of Galaxy phones had a flaw that caused a few of them to spontaneously ignite.