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to spring; to bound; to bounce
to be stimulated; to be encouraged; to get lively
to pay handsomely; to splurge; to part eagerly with (money, etc.)
to breathe hard; to pant; to be out of breath
ボールが地面で弾んで高く上がった。
The ball bounced on the ground and went up high.
会話が弾んで楽しい時間を過ごした。
The conversation was lively and we had a good time.
雰囲気が良くて会話が弾んだ。
The mood was good and the conversation flowed.