xtra prize
What one person can give to another person of the opposite gender as a reward; can be received in exchange for many gold stars.
Jenn was very aroused by Tommy and so she decided to give him xtra prize on the sofa.
xtra prize
a euphemism for carnal knowledge, redeemable in exchange for many gold stars
Kat gave Ben his hundredth gold star, so now he can get xtra prize!