testy

adj

Etymology: Middle English testif (“headstrong”), from Old French testu, from teste (“head”) + -u. Compare modern French tête (“head”), têtu (“stubborn”).

1. Easily annoyed, irritable.
2. Marked by impatience or ill humor.

   “He made testy remarks.”

   “Otherwise, we could end up with a repeat of what happened with social media companies after the 2016 election — a collision of Silicon Valley power and Washington ignorance, which resulted in nothing but gridlock and testy hearings.”