(informal) To start early, especially before something begins or before others begin; to get a head start.

(idiomatic, US) Demonstratively patriotic about the United States.

(idiomatic) The survival of the fittest, strongest, or most cunning

To move erratically by jumping. / To move from side to side, or fidget annoyingly, usually as a result of being nervous.

(sports, equestrianism) To participate in the final round of an equestrian showjumping event. / To move from an elevated place by one jump.

To leave an elevated position to a lower position by one jump.

To move erratically by jumping. / To move from side to side, or fidget e.g. with nervousness.

(idiomatic) To accept something enthusiastically. Usually an opportunity, or chance, or job etc.

To enter something quickly, usually a mode of transport. / To join in on an activity quickly. / To interrupt someone while they are speaking.

To board a vehicle. / (idiomatic) To attack verbally, to criticise excessively. / (idiomatic) To take immediate action regarding; to avail oneself of without delay.