Definition of "footgun" in English

Noun

1. Any feature likely to lead to the programmer or user shooting themselves in the foot.

2. (Should we delete this sense?) by extension, generalised from (1.): An opportunity or object that allows the unfortunate to mostly figuratively but sometimes literally shoot themselves in the foot. A less obvious footgun may be a pitfall (1.).

Verb

1. To shoot oneself in the foot.