2nd Def: Describes a lack of proper educational funding or reductions of funding, or legislative actions taken to produce same.
3rd Def: Pejorative term describing the metal capabilities of an under educated person.
4th Def: Slang- Descriptive term for over large and unwieldy beverages of any type.
2) The Governor of of Ohio has proposed cutting educational funding to dumbsize the effectiveness of public schools.
3) I'm sure he won't understand you, he was dumbsized long ago.
4) You really do not want to buy a dumbsized gallon mug of Mountain Dew do you?