bumpystart
nounUK /ˈbʌmpi stɑːt/
US /ˈbʌmpi stɑːrt/
A bumpystart is a rough and jumpy beginning to something.
The car ride had a bumpystart when we went over the big rocks.
OTHER MEANINGS
2. A first try that feels shaky and full of little bumps.
Her first day at school was a bumpystart, but soon she made friends.
3. A launch or takeoff that is not smooth.
The little plane had a bumpystart as it rolled down the grass runway.
4. A beginning that has small problems or surprises.
The party had a bumpystart when the balloons popped, but everyone laughed.