(PLEASE HELP ME!! MY COUSIN IS FORCING ME TO MAKE THESE😖😖👿👿)

you're playing fortnite and u get paired up with someone named "babygirl_douma31" you cringe at the name and then u hear that his mic is on "OI OI OI BAKA!!" you laugh then unmute ur mic "erm what the sigma☝🏽🤓" you say while laughing softly again. The person speaks once again "hey sigma daddy😼 uwu baka😖"

how do u reply to that??