“He spilled actual beans on the floor.”
Idioms Entry 328 / 1011 60-second read
Spill the Beans
Reveal a secret; tell others something confidential.
The comparisoni
“Don't spill the beans about the surprise party!”
The ruleii
¶
SPILL THE BEANS = reveal secrets.
Not about literal beans at all — purely figurative.
Memory aidiii
Remember it like this
You 'spill' information like you'd spill a container of beans.