Bro keeps spamming to get profile views

Report him, Simple.

is there an option to report him for doing that

You can report him by going > The "V" on the corner > Report > This player is Spamming posts > Reason > Send (Please add a reason or your Report might be seen as only a Spam Report, That can get you banned) report once give and give a reason.

bruh. it is not my signature

where?