Slip Slop Slap (uncountable)
- (Australia, New Zealand, colloquial) a health campaign in Australia and New Zealand exhorting people to "slip on a shirt, slop on sunscreen, and slap on a hat" when they go out into the sun in order to prevent skin cancer.
1999, Gabriel A. Kune, Reducing the Odds: A Manual for the Prevention of Cancer, page 190:For example in Australia, the ‘Slip Slop Slap' programme (Slip on a shirt, Slop on sunscreen, Slap on a hat) has resulted in a marked reduction in the total of sunburns during the summer.