Related Clues:

• Pound the keyboard
• O positive, for one
• Class or kind
• Red Cross need
• Universal donor classification
• Word with ''blood'' or ''touch''
• Relaxed personality
• Punch (in)
• Uncommon blood
• Disclosure on eHarmony
• Use the touch system
• Use a laptop
• A, B, or O
• Donor designation
• Easygoing personality