on top of the world

US /ɑn tɑp əv ðə wɜrld/
UK /ɑn tɑp əv ðə wɜrld/
"on top of the world" picture
1.

feeling extremely happy and proud

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After winning the championship, she felt on top of the world.
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Getting that promotion made him feel on top of the world.
:
topon toptoppingon top ofworldstay on top oftop-notch