Dad Half Hour
A length of time described by a father as half an hour when in reality it is a period of 10 to 15 minutes.
Dad on phone with son: I'll pick you up in half an hour
Son to friend: i've got to go in like 10 minutes
Friend to son: didn't he say half an hour?
Son to friend: Dad half hour man
Friend to son: oh right.
Son to friend: i've got to go in like 10 minutes
Friend to son: didn't he say half an hour?
Son to friend: Dad half hour man
Friend to son: oh right.