pearl-dive
/ˈpəːlˌdʌɪv/slang
verb
1 [no object] Originally and chiefly US. To wash dishes in a cafe or restaurant.
2 [no object] Surfing. = pearl.
Origin
1930s; earliest use found in John Dos Passos (1896–1970), writer. From pearl + dive, after pearl diver, pearl diving.