I was wondering if there were any videos or sites where you can learn the different map callouts? I want to learn all of them to better myself at comp. Thank you!

Anyone else think there should be a way to make skin sharing less painful? "Sage, Sage, give skin" every match. Just rude "gib gib gib me". I love to share but every damn round: buy gun, drop, request buy, hope they dont forget to buy...