Definitions

1. verb

to utter or speak something abruptly or carelessly, often in a loud or harsh tone

“She blashed out a rude comment at the party.”

2. noun

a harsh or loud utterance, often expressing anger or displeasure

“The blash from the crowd startled the young singer.”

3. verb (chiefly dialectal)

to splash or spill something, especially water

“The bucket blashed water all over the floor.”