Killing Floor/Shout Out

"LOADSAMONEY! >Money, money, money DOSH!"
 * Lots of them to Harry Enfield's Loadsamoney sketch character.


 * "Who do you think you are, bleedin' Action Man?"
 * "I know, you're only supposed to blow the bloody doors off!"
 * "Smeghead!"
 * The KF_Aperture map is an outright Crossover with Portal
 * The trailer for the Summer Sideshow event has a clot saying "Knife goes in guts come out"
 * There's also references to IT. The Circus Husk also has some very GLaDOS-esque lines...
 * Some of the Christmas Zed quote I Just Want My Hula Hoop and Grandma Got Run Over By A Reindeer.
 * The Gingerfast likes to quote the fairy tale of the Gingerbread Man, and the Snow Husk quotes Frosty the Snowman and The Christmas Song.
 * The new .44 Magnum is the same model as Dirty Harry's Weapon of Choice. Killing six specimens with one shot each without reloading unlocks the achievement "Feeling Lucky?"
 * Equipping the knife makes you run faster.