A massive steel-hard cylinder of great power, broad and thick at its base and very sensitive at its tapered tip, propelled by a male into a female, inside whom it explodes with massive force, generally convulsing the female, and pouring a large quantity of liquid into her. In demonstration of Newton's Third Law of Motion, it also produces an explosive and convulsive effect in the male who propels it. Called a "love torpedo" because, unlike a war torpedo, its purpose is friendly and its effect is benign, and the recipient is as delighted to receive it as the sender is to deliver it.

(noun) A successful type of theft which results in an acceptable, impressive and rewarding payday for the protagonist.