Slangy word before or after "who"

• '-- who?!'
• Casual remarks?
• States, casually
• Speaks informally, informally
• "So I __ to myself ..."
• Comes out with, casually
• Casual states?
• "___ me!"("That's who!")
• ' who?'

Wikipedia Word definitions in Wikipedia
SEZ may refer to: Special Economic Zone Seychelles International Airport