Could've qualified for the Dad Jokes QOTW
Fortunately I missed that one first time around.

My dad is the world champion at making pungent puns (no, that's not a pun there). At first I ridiculed them, but over time I began to look past the failed humour at the craft of making them.

This is the ripest:

A while back, around Christmas, our dog (a bichon frise, small white curly haired) had grown his hair long and it was starting to resemble white dreadlocks. One of us remarked on this.

My dad replied "Maybe he's just trying to get into the festive spirit."

I could sense the dad joke, but totally didn't get it. My sister, however, thought for a second and acknowledge it with an "oh."

Here's how it went.
1 Dreadlocks = Rastafarianism
2 Rastafarianism = Bob Marley
3 Bob Marley = Jacob Marley (the ghost in A Christmas Carol)
4 Jacob Marley = festive

Ta da!
(racetraitor has an alibi for, Fri 6 Mar 2009, 7:32, 2 replies)

are you sure
are you sure it wasn't because he looked like santa ? the white hairy dog and not your da..

I bet that's what he meant
(The Cats Twat, Fri 6 Mar 2009, 19:33, closed)

No
He confirmed it was the Rastafarian/Christmas Carol route.
(racetraitor has an alibi for, Fri 6 Mar 2009, 21:47, closed)