jump on

present singular third person jumps on · participle present jumping on · participle past jumped on · past jumped on

1. To board a vehicle.

   Jump on a nº9 bus, and it will take you more or less to the door.

2. idiomaticTo attack verbally, to criticise excessively.

   I hate the way she's always jumping on me for the slightest little mistake.

3. idiomaticTo take immediate action regarding; to avail oneself of without delay.

   Community banks can jump on the opportunity to make changes.

   2003 October 28, “Banking Giant”, in New York Times, retrieved 15 Jun 2011

   1 more example

   So later in life, when the Z's — and even onetime Z's who became A's through marriage — see an item they really like for sale or are offered a deal, they jump on it.

   2011 January 28, “How Your Name May Cost You at the Mall”, in Time

   Synonyms: seize