up- + blast
upblast (third-person singular simple present upblasts, present participle upblasting, simple past and past participle upblasted)
- To blast upward.
1958, William T. Rochelle, Zareeba Purpose, page 105:Outler had dashed some thirty feet when a shell upblasted mud and water in his face, and he slipped and toppled headforemost down a steep bank into a pond.
