heartstick
n.— «Some pounds throw both dogs and cats in together for gassing. Other pounds use a method called heartstick where a lethal dose of medication is injected into the heart. Unfortunately, it is often not done correctly!» —“Never buy a dog from any breeder” by Margaret Cloud Stories In The News (Ketchikan, Alaska) Mar. 21, 2007. (source: Double-Tongued Dictionary)
Further reading
If you speak a second or third language, you may remember the first time you dreamed in that new tongue. But does this milestone mean you’re actually fluent? And a couple’s dispute over the word regret: Say you wish you’d been able...