Possible Clues:

• Form of graffiti
• Colloidal dispersion of solid or liquid particles in a gas, such as smoke or fog
• Pressurized spray type
• Horrible loos are getting spray
• Rosa and Leo, trained, can type!
• Antiperspirant type
• Chocolate therefore left in pressurised container
• Look unhappy, returning after a spray
• Mister Solo shot after a little hesitation
• Unkempt loos are getting spray