Related Clues:

• ''Yo, dude!''
• ''Dude''
• Friend, informally
• Guy in a frat
• Possible sib for a sis
• Modern lead-in to -grammer
• Sis's sib, perhaps
• Family dude, but not dad
• Pal from the neighborhood
• Sis' sib, maybe
• Sis’s sib
• 'My dude!'
• "Dude" alternative
• Steph, to Seth Curry, for short
• Dude alternative