What does <<<<<<< mean on twitter?

[Matt Holleran]

[ellabella]

nothing

[Haley Briley]

Something isn't as good as something else such as if you hated Britney Spears you would say Britney Spears <<<<<<<

[Patience]

that, my dear sir, is a less than sign. or in this case multiple ones. meaning whatever it is they are talking about is worse than whatever else.

[deb.peg1]

Some fell asleep with their finger on the < button.