“MATAR EL GUSANILLO”
The origin of this idiom has evolved in a short time and nowadays it is used to express when something is eaten to satisfy the hunger. The origin of this expression comes of the tradition of men drinking a shoot of alcohol in the morning at breakfast time.
There was a time when they believed that a little warm lived in the stomach and since they could not killed it, they would put it to sleep by “watering” it with a shot of spirit. It was a good excuse to have a drink in the morning.
“DORMIRSE EN LOS LAURELES”
This expression is used when someone relaxes or neglects his task, working in a not efficient way mainly after a great success.
The origin of this expression comes from the Roman Empire, where winners were crowned with a laurel wreath. After this popular recognition the winners would stop making efforts, sleeping in the laurel of their crown, hence the expression.