hilariousaurus rex

When a person laughs hard enough they pull both wrists to their chest and open their mouth while rocking back and fourth but stay in their own personal space. Similar to a velocilaughter.

That girl was laughing so hard she was doing the hilariousaurus rex

by FAKmyself August 11, 2016

hilariousaurus rex

an extremely funny dinosaur or situation.

That was so hilariousaurus rex!

by epicawesomellama March 09, 2011