Your dad should be ashamed of raising you suckers man, real shit man
Your dad should've left home like millions of other dads did
By staying at home, man, he only made you a tougher, colder pussy

from El-P (Ft. Despot & Killer Mike) – Tougher Colder Killer Lyrics on Rap Genius

Here Mike is saying that your father should have abandoned your family, if only to make you a tougher kid and person in general. Instead, you’re just a bitch who comes from a stable home.

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