Related Clues:

• Rotation of planetary sphere is relative
• Hipster's chum
• "Rob" anagram
• Slangy pal
• Man cave invitee
• Pal, casually
• Frat guy
• Relative of sis
• Pop's son
• Old buddy, old pal
• Fellow likely to say 'crushing it'
• Privilege abuser, often
• Buddy, in the hood
• Pal of "pal"
• 'Hey ___, what's up?'