Drink, laugh, shout, etc. yourself silly
Definition 1 of 1
Pro Tip 1/3Colloquial Usage
The phrase is informal, best used among friends or in laid-back settings, not in professional or formal situations. 
At the reunion, we drank ourselves silly and reminisced about old times.
Pro Tip 2/3Emotional Release
It often implies a sense of release or a break from restraint, showing a raw emotional state. 
After final exams, they shouted themselves silly at the beach party.
Pro Tip 3/3Hyperbolic Expression
It's an exaggerated way to describe actions, not meant to be taken literally. 
The show was so funny, we nearly laughed ourselves silly.