The action is which you are looking for a cookie, whether you are looking to steal a cookie, or find your lost cookie, it’s considered clooking when you are looking for a cookie. Typically a name you call someone who has lost there cookie, and are looking for it.
"Mummy, why has my sister got two bums and no willy?" "Son, your sister doesn't have two bums, her front part is called a clooker and the back part is her bum"
The term clookie refers to a relatively niche fandom slang. It is a ship name smashing the two blackpill looksmaxxers, Cookie King and Clavicular, together. However, there is no credible evidence that they are legitimately dating.