Possible Clues:

• Preventive shot, in slang
• Oxford Word of the Year for 2021
• Short shot?
• Inoculation, slangily
• Preventive shot, in brief
• Preventive shot, for short
• Disease preventer, in slang
• Some shots, for short
• Preventive medicine, slangily
• Carpet cleaning device with the slogan 'Nothing sucks like a ...'