The testicles. A place that holds semen.
I took a rock and hit my mom's boyfriend in his daddy bag
ayon kay dwayne ika-13 ng Mayo, 2004
Scrotum, nutsac, etc...
I was playing softball with the guys last weekend and got hit right in the ol' daddybag!
ayon kay AaronSmallPenis ika-15 ng Setyembre, 2005
the bag of a dad they use to carry important materials
my daddy held his daddy bag in his hand. it was wet and sweaty
ayon kay harrielarryparry ika-15 ng Hulyo, 2010