spunk

(noun, verb)

noun

1. (countable, obsolete) A spark.

2. (uncountable) Touchwood; tinder.

3. (countable, chiefly Scotland, obsolete) A piece of tinder, sometimes impregnated with sulphur; a match.

4. (uncountable) Courage; spirit; mettle; determination.

5. (countable, Britain, Australia, New Zealand, slang) An attractive person (normally male).

6. (uncountable, chiefly Britain, vulgar, slang) Semen.

verb

1. (slang, vulgar) To ejaculate.