phrasal
: subject to being bumped from an automobile race by reason of having the lowest qualifying speed ; broadly : being at risk of exclusion or replacement
teams on the bubble at tournament time
phrasal
: subject to being bumped from an automobile race by reason of having the lowest qualifying speed ; broadly : being at risk of exclusion or replacement
teams on the bubble at tournament time
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012