A slight faux pas

Jeremy Paxman (University Challenge question-master): What is another name for 'cherrypickers' and 'cheesemongers'? 
   

Contestant:  Homosexuals. 
   

Paxman: No. They're regiments in the British Army who will be very upset with you. 

 

- Private Eye

 

[Courtesy of FSC.  The Cherrypickers is a nickname of the 11th Hussars, and the Life Guards are known, among other things, as The Cheesemongers]