slop on

slop something on(to) someone or something

to spill or splash a liquid onto someone or something. Don't slop the pancake batter onto yourself. Who slopped paint on the floor?
See also: on, slop
References in periodicals archive ?
Sid the Seagull first squawked "slip, slap, slop" 25 years ago in probably Australia's most recognisable public health campaign - appealing to people Down Under to "slip on a shirt, slap on a hat and slop on sunscreen".
Slop on a sunscreen with a sun protection factor (SPF) of at least 15;
Still, it rules out all that dangerous time in the sun; all the bother of the slip, slop, slap routine (slip on the shirt, slop on the sun cream, slap on the hat) - and besides now you can get precisely the same colour code of tan as your favourite star.
Solano, the new spokesman for the American Cancer Society Skin Protection Federation, is asking sun worshipers to slip on a shirt, slop on sunscreen (SPF 15 and higher) and slap on a hat.
Remember to protect yourself from the sun's harmful UV rays with the Slip, Slop, Slap system: Slip on clothing, Slop on sunscreen, and Slap on a hat