Describing a product that comes in a can or bottle and goes on as a fine mist: spray-on sunscreen, spray-on deodorant, spray-on paint, spray-on insulation.

Describing用來形容 a product that comes in a can or bottle裝在罐子或瓶子裡 and goes on as a fine mist、噴出來像細霧的產品：spray-on sunscreen噴霧防曬, spray-on deodorant噴霧除臭劑, spray-on paint噴漆, spray-on insulation噴塗隔熱材。

It answers the question 'how do you put it on?' — you spray it rather than rub, brush or pour it.

It它 answers回答 the question 'how do you put it on?'「你怎麼把它塗上去？」這個問題 — you你 spray it用噴的 rather than而不是 rub, brush or pour it用擦的、刷的或倒的。

It always sits in front of the noun (spray-on tan), never after it — you cannot say 'the tan is spray-on' comfortably; say 'it's a spray-on tan' or 'you spray it on'.

It它 always always sits in front of the noun永遠放在名詞前面（spray-on tan spray-on tan）, never after it絕不放在後面 — you不能 cannot say 'the tan is spray-on'舒服地說'the tan is spray-on' comfortably; say要說 'it's a spray-on tan' 'it's a spray-on tan' or or 'you spray it on' 'you spray it on'。

Keep the hyphen when it is one description; without it, 'spray on' is just the verb plus a small word: 'spray it on the wall'.

Keep保留 the hyphen連字號 when it is one description當它是一個形容詞的時候; without it如果沒有連字號, 'spray on' 'spray on' is只是 just the verb plus a small word動詞加一個小字: 'spray it on the wall' 'spray it on the wall'。

There is also a joking use for very tight clothes — 'those jeans look spray-on', as if the fabric had been sprayed straight onto the legs.

There是 is also a joking use也有一種開玩笑的用法 for very tight clothes用在非常緊身的衣服上 — 'those jeans look spray-on' 'those jeans look spray-on', as if好像 the fabric had been sprayed straight onto the legs布料是直接噴在腿上的一樣。