Slang is the Answer
100
These climbing mammals are rare because both male and female have horns! Also, the adults have no top teeth.
GOATS
200
OED:
to risk something against another person or machine based on the outcome of a future event
Bet
300
Culinary artist have used caramel, chocolate syrup, melted candies, and boiled sugar to create this effect on a edges of a cake.
Drip
400
OED
having been previously ignited
Lit
500
Any dad will give you this advice before you begin the long drive home.
Gas up