temporary tattoo; tattoo sticker
A sticker that applies a temporary tattoo design to the skin; wasei-eigo from English 'paper tattoo'.
wasei-eigo (Japanese-coined English), from paper tattoo
The children played by putting temporary tattoos on their arms.
Variant with interpunct; less common but still seen.
Wasei-eigo from English 'paper' + 'tattoo', referring to a temporary tattoo applied like a sticker.