Your dad is the person who hasn't come back with the milk yet.
Person 1: Where's your dad?
Person 2: At the store getting milk since I was 7.
It is often a offensive joke as people will cry about it.
guy#1: hey when it it friday?
guy#2: when is your dad coming back?
guy#1: when is it the end of the lesson
guy#2 when is your dad going to come back?
used in only this specific situation...
Stupid horse girl: What did y'all do this weekend? Crackheads like me: Your dad
Stupid horse girl: I don't get it, I meant like an activity...
Used rarely if you cant find any joke except for your mom.
knock knock
whos there?
your
your mom?
no
your who?
your dad
cmon brad, that joke was shit
Said he was gonna get the milk but he never came back he also never cared about his kids
The mom is usually happy
Will only return if you win the lottery
Your dad is gone and not coming back