• bro; broooo; broooo-hoh-hoh-hoh
• brah
• bres
• NOICE!
• that's what she said
• dude
• fo REAL
• (damn) sho nuff
• holy guacamole
• every curse word ever invented
• dibs; fives; tap-tap
• hit it and quit it
• let's dip/bounce
• my shrunken chesticles! (usually said in agony/disappointment)
• you need to calm that ass down
• cool your jets
• back off

in conclusion: i am apparently a high school boy and i'm always calming people down