I can't believe I'm doing these, but:

Santana - Black Magic Woman In My Pants
Mötley Crüe - Girls, Girls, Girls In My Pants
Mass Effect 3 - I was Lost Without You In My Pants
Pirates of the Caribbean: On Stranger Tides - Mermaids In My Pants
Starcraft 2 - Fire and Fury In My Pants

and believe it or not, there were a few that were worse.

PS: Starcraft 2 - A Zerg, a Shotgun, and You In My Pants

Good Girls Go To Heaven (Bad Girls Go Everywhere In My Pants)

(For my money, Jorodryn's still winning this one.)

I think having a banana signed by a lounge singer in my pants is pretty special, but the thing that should not be in his pants is pretty special too.

I've got a lovely bunch of coconuts in my pants
girls just want to have fun in my pants
magical mystery tour in my pants
puff the magic dragon in my pants
chasing the dragon in my pants
yellow submarine in my pants
Billy Jean in my pants
Ben in my pants
Whatever Lola wants in my pants
Wishing you were somehow here again in my pants
Think of me in my pants
I dreamed a dream in my pants
My funny valentine in my pants
Brave Sir Robin in my pants
Bewitched, Bothered, and Bewildered in my pants
Every Sperm is Sacred in my pants (god bless you monty python)
The Lumberjack in my pants
We have no bananas today in my pants
Appetite for Destruction in my pants
The Entertainer in my pants
Jump in my pants
Ice Cream Man in my pants
Hot for Teacher in my pants
Volcano in my pants
Her name is rio in my pants
Eye of the Tiger in my pants

I have MANY more, just like I said earlier.

EDIT: forgot about this one
Comfortably Numb in my pants

I Wish that I Had Jessie's Girl In My Pants.

Yeah, I went there.

Karma Chameleon in my pants

I don't listen to music, but I play audiobooks constantly on my mp3 player. So right now it's Desperation In My Pants.

Sounds about right!

It's great how the meaning of so many '80s songs are completely unchanged by this game.

Bluegrass day!
Dreaming My Dreams With You In My Pants
On the Outside Looking In My Pants
When It Pleases You In My Pants

Fear my lowering coefficient of friction in my pants
In the beginning there was Jazz in my pants
Tears for a girl in my pants
The place we knew in my pants
Nanaki searches for truth in my pants

Doctorin' the Tardis in my pants. (ok that song was more popular in England and Australia than the US, but I just downloaded it to my iPhone and have been listening to it on repeat.)

Just a Gigolo In My Pants

Scorpions - Rock You Like a Hurricane In My Pants.

Next stop everywhere...in my pants.
I am the Doctor...in my pants.
Every planet, every star...in my pants.

(Basically, three different names for what amounts to the same song =P)

Wait a second, what?! But..?! I can't, I don't.. WHAT?

Hmm. Well, Insp, don't audio-read the Eye of the World (which would otherwise be an opportune time since the last book is finally out) unless you're into exhibitionism.