Ok, this word is so popular among all tweople (people who have twitter) in my time line, who mostly are girls and I know them personally .
So, the word is ....

GALAU

or in English means ....

HUBBUB or CONFUSION 

The person who feel it is called ....

GALAU-ER

The person who "make" that feel to the other (mostly, the boys) is called ....

GALAU MAKER

Why do I share this? Because nowadays I often feel it too .

Syalaalalalaaalaaa..... ((>__<))