A person who taps people significantly younger than he/she is. If X is the older person's age then they are a cradle robber if they date a person who is less than half of their age plus 7 years. But for this function to work, X must be greater than or equal to 18. (Y = .5X + 7 X:[18,infinity))
A sex act when you wait till the bitch's water breaks, then you fuck her in the ass so hard she doesnt realize she's giving birth and you reach around and steal her baby