outlaugh

verb2

1. •
   To laugh louder than, surpass in laughing.

   • At his father's quick guffaw he jumped back, trying to outlaugh him. "Mamma, did you hear what I said, Mamma?" Boardman felt his side. "My boy, that's a good one." — 1995
2. •
   To ridicule or laugh someone out of a purpose, principle, etc.; laugh down; discourage or put out of countenance by laughing.

   • His apprehensions of being outlaughed will force him to continue in a restless obscurity. - Franklin