you bat your eyelashes

13

Just text me instead of calling and say you like me 😄

2

Be willing to laugh at yourself, tilt your head when talking, talk low and slow, be as close as possible without coming off as creepy

1

Make fun of them

1

Depends, are you a man or woman? Women just need to smile and wink. Men need a PhD in flirtation

1

Make vague, potentially threatening statments, it works like a charm

1