TWICE has revealed a mysterious GIF titled, 'FEVER'!

The GIF features a hand with its thumb, index, and pink fingers extended and rotating around several times. Many fans have begun speculating this as a possible comeback! Check the GIF out below:

JYPETWICE

Other fans have noticed that the hand shape is extremely similar to TWICE's 'Signal' hand sign, which is similar except without the index finger extended.

What could this mean? Let us know your thoughts in the comments below!