X & Y?

[mollinary]

The theme I was working on was actually existing abbreviations, so:

P&P. postage and packing

M&M  chocolate buttons

B&B.  bed and breakfast.

[Leon]

The theme I was working on was actually existing abbreviations, so:

... I'd not noticed that bit...    I'm not going to do very well when the new series of Only Connect kicks off...!

[fsn]

Centurions and Aztecs - competing gamers try and get their favourite range released by the best miniature figure supplier in the world. 

[Chris Pringle]

The ideal super-detailed WWII tank rules for us trackheads and rivetcounters:

Protractor & Percentile Dice

(You only need two tank models to play the game, but it will take you a whole weekend.)

[Ithoriel]

Distractions & Denizens - gaming the Pendraken Forum

[Westmarcher]

Boots & Saddles .... American Plains Wars

Blades & Saddles  .... the spoof version

Mills & Boom ..... romantic trench warfare

Mortar & Pistol ... siege warfare for chemists

Assault & Petard ...... siege warfare for foodies

Pick & Mix .... siege warfare in Ireland

Grab & Run ..... me and my coat ......

[Terry37]

I'd share my ideas, but I'm laughing too hard just reading what's already been posted. So I'll just Read & Chuckle!

Terry

[fsn]

Bonnie and Clyde - The Young Pretender's exploits in the Glasgow area.

Blame Westmarcher. He put me up to it!

Rock and Roll - a dice based game amongst neanderthals. (i.e. any game played by Forum members)

Boosey & Hawkes - Drunken revelry with falcons

[Ithoriel]

Tea & Symphony - adding the RASC and ENSA to your WW2 games

[Matt J]

Rock & A Hard place - game of marital challenges

[Chad]

Trumpets & Drums - battles between marching bands
Swords, Shields & Sheilas -Australian Medieval Rules (with apologies where necessary)
Tanks & More Tanks - for gamers who think Flames of War does not take up enough table space
Muskets & Magic - the ONLY rules that guarantee Napoleon victory at Waterloo

[ronan]

Beere & Bretzels ?

[O Dinas Powys]

X, Y & Z - for tactical combat in 3 dimensions 
X, Y, Z & n - for when 3 dimensions just aren't enough... 

[Maenoferren]

Love and Marriage... wars of Matilda and Stephen
Chalk and cheese, the imaginations attack on Dover by the brigands of Wenslydale

[fsn]

Exe and Wye - River battles in the West Country.

Ex and Why? - The struglles of a modern relationship

[OldenBUA]

Bullet lists & Subclauses (unless overruled otherwise) : linear warfare in the age of Barker

[fsn]

Feather and Stone - a 1960s rule set for early Native American conflict

[Ithoriel]

Bend & Stretch - not a ruleset but a range of accessories which includes adjustable rulers, loaded dice and the Power Gamers Manual 

[d_Guy]

This is a fun thread! Highly creative. I give special props to fsn for his geographical psychodrama post.

[steve_holmes_11]

S & M - The game where both players take a thrashing.