Related Clues:

• Word after 'tech' or 'frat'
• Sis' sib, say
• Hiro, to Tadashi Hamada, for short
• Friendly term of address to a male friend
• Frat ___
• Family dude's nickname
• Sis's playmate
• 'Du-u-u-ude!'
• Brother, so to speak
• Bloke seen in good sort of light
• "Dude ..."
• "My guy!"
• "Dude ... "
• "Seriously, man?!"
• Boss in good four-wheel drive, not Sierra