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bubble

1 bubble /ˈbʌbəl/ noun
plural bubbles
1 bubble
/ˈbʌbəl/
noun
plural bubbles
Britannica Dictionary definition of BUBBLE
[count]
: a tiny, round ball of air or gas inside a liquid
: a small ball of air in a solid substance
: a very light ball of air inside a thin layer of soap
: a period when many people invest money in something and cause its value to rise to a level that is much higher than its real value until finally its value drops very suddenly

burst someone's bubble

informal
: to cause someone to suddenly realize that something is not really good, true, etc.
2 bubble /ˈbʌbəl/ verb
bubbles; bubbled; bubbling
2 bubble
/ˈbʌbəl/
verb
bubbles; bubbled; bubbling
Britannica Dictionary definition of BUBBLE
[no object]
: to form or produce bubbles
: to flow with the quiet sound of water moving over rocks
: to be very happy and excited usually + with often + over
of emotions, feelings, etc. : to exist in a constant way without being openly shown