Related Clues:
- Not half wanting a baby sibling
- Relative from abroad
- Rotating sphere is somewhere one feels close to
- US form of address
- Fraternity man, briefly
- Guy in the family, informally
- Close male friend
- Sib to Sis
- Rotation of planetary sphere is relative
- Hipster's chum
- "Rob" anagram
- Slangy pal
- Man cave invitee
- Pal, casually
- Frat guy