|Origin:||Perhaps from nap 'to seize' (17-19 centuries), from a Scandinavian language|
nab past tense and past participle nabbed, present participle nabbing [transitive] informal
to catch or arrest someone who is doing something wrong:
The police nabbed him for speeding.
to get something or someone quickly, especially before anyone else can get them:
See if you can nab a seat.