WTF is "WHY"?

[clvs2222]

prob a stupid question to all, but on the listings for cars on ebay, some say swap, part-ex why.

what does "WHY" mean?
:S

 

[Beef-Mc]

What have you?

 

[Little Richie]

I always assumed it to be What Have You aswell.

 

[Mark One]

I never knew that. Always thought it was a bit wierd myself

 

[Kneel]

aye it means what have you

 

[Graham Gooch]

Means what have you (got) and looks better as an acronym than WYG as Why is a word.