kamikaze

1. An attack requiring the suicide of the one carrying it out, especially when done with an aircraft.
2. One who carries out a suicide attack, especially with an aircraft.
3. One who takes excessive risks, as for example in a sporting event.
4. A cocktail made of equal parts vodka, triple sec and lime juice.
5. A deliberate wipeout.

1. To destroy (a ship, etc.) in a suicide attack, especially by crashing an aircraft.
2. To carry out a suicide attack, especially by crashing an aircraft.
3. To fail disastrously.

adjective

Suicidal, risking one's own life