We raise a glass to pig and roast the happy couple.
pig and roast
idiom Slang
Cockney rhyming slang · East London
toast
Origin
A cynical reference to the bog standard level of menu of the average mess for the "other ranks".
At the family dinner, my grandfather stood up to pig and roast his brother for his birthday.
The guests gathered around the table to pig and roast the guest of honor, sharing humorous stories that highlighted his many eccentricities.