Basically establish direct, steady eye contact with him (this will show him you are interested in him). and if that doesnt work, grow some courage and ask him if he wants to see a movie with you... every guy knows what that means.
Yeah Why Not They Wont Notice
Just be yourself you can flirt with him but mostly be yourself
Shove him up the wall lean over and whisper "Senpai notice me pls"
This guy flirt with me because his not satisfy with his lover.
A guy will most likely flirt the most when he is most confident.
Flirt like no tomorrow, call his home phone, bump into him to get an excuse to talk, get him to notice you
You flirt with a girl like you would flirt with a guy.
You can start asking the guy to hang out, talk to him more, and flirt.
do little things to make him notice you like wear nicer clothes and flirt with him. don't be afraid to express your feelings.
Be confidently you
Flirt with him.
Flirt with him.