The boy with the hairspray is telling the other boy that the hairspray will not catch on fire because the container says that it is “inflammable”. While the boys think that the hairspray will not catch on fire, the hairspray will immediately catch on fire once the match touches the hairspray. Similar to the Simpsons, the boys could seriously injure themselves or start a fire. To avoid confusion, most canisters have switched to a label saying “flammable” in case the user doesn't know what inflammable
The boy with the hairspray is telling the other boy that the hairspray will not catch on fire because the container says that it is “inflammable”. While the boys think that the hairspray will not catch on fire, the hairspray will immediately catch on fire once the match touches the hairspray. Similar to the Simpsons, the boys could seriously injure themselves or start a fire. To avoid confusion, most canisters have switched to a label saying “flammable” in case the user doesn't know what inflammable