Related Clues:

• Sis's sib, perhaps
• Family dude, but not dad
• Sis' sib, maybe
• Sis’s sib
• 'My dude!'
• "Dude" alternative
• Steph, to Seth Curry, for short
• Dude alternative
• Familial term of address
• 'C'mon, man . . .'
• Word after 'tech' or 'frat'
• Sis' sib, say
• Hiro, to Tadashi Hamada, for short
• Friendly term of address to a male friend
• Frat ___