Wiktionary
n. A large yield; an excess of something.
Wikipedia
In agriculture, a bumper crop is a crop that has yielded an unusually productive harvest.
A bumper crop can also be a source of problems, such as when there is insufficient storage space ( barns, grain bins, etc.) for an overlarge crop. The word "bumper" has a second definition meaning "something unusually large," which is where this term comes from.
Bumper Crop is a 1987 record from the band Volcano Suns.
Usage examples of "bumper crop".
From the way he had reacted, you'd have thought he drove a new Rolls rather than a ten-year-old Pontiac with a bumper crop of dings down both sides.
If the cotton bloomed by July 4, then it was going to be a bumper crop.
Not only had the benign weather brought North America a bumper crop in all areas of grain and cereals.
Weeds grew rankly down both sides of the house and the lawn was covered with the season's first bumper crop of dandelions.
A thirtyish man in shirtsleeves with sharp blue eyes ||aid a bumper crop of wavy black hair, Carmichael aked over his shoulder at Nimec.
But Barry always refused to talk about money,saying at one moment that this years crop would solve all problems, and moaning in the next moment that even a bumper crop would not save him.
One of thirty blessed men and women (culled from a bumper crop of two thousand) who had deemed a starting salary of ninety thousand dollars, a signing bonus of seven thousand dollars, and a future promising untold millions adequate compensation for allowing the savviest brains on Wall Street to daily instill in them their combined and hard-earned knowledge.
Aximaan Threysz was tempted to use them for the autumn planting, and cover all her acreage with the new kind of lusavender in order to reap an amazing bumper crop next winter.
So he cleared another mound downriver, made a bumper crop, and the next year it wouldn't grow a onion.
Ed Franklin had come by that week to bring me three extra bushels of Cortlands -- he's had a bumper crop this year.
They had a bumper crop here in Perquaine, and that pushes the price down.
Then we've our tea trade and Bengali opium to China, a bumper crop this year--I've an idea how to buy Indian cotton to boost the American lack--and together with all our usual cargoes.