/næb/
VERB
To catch, arrest, or take someone into custody, especially a person suspected of committing a crime or doing something wrong.
Used informally when police or authorities catch a suspect and take them into custody.
Used when someone is caught in the act of wrongdoing, rule-breaking, or an unauthorized activity.
VERB
To take hold of or take something quickly, often before someone else can get it.
Used informally when someone quickly takes an object, sometimes unexpectedly or before another person can take it.
Used informally when someone succeeds in getting something valuable, desirable, or limited before others can obtain it.