gassing

(noun) the process of interacting with gas.

(noun) the deliberate act of poisoning some person or animal with gas.

(verb) attack with gas; subject to gas fumes. Synonyms: gas. Example: "The despot gassed the rebellious tribes."

(verb) show off. Synonyms: boast, tout, swash, shoot a line, brag, gas, blow, bluster, vaunt, gasconade.