1)A soapy joe, is a term that a group of people will use to describe someone in their group who is an outlier and doesn't really belong in that group
2)A soapy joe can also be a sex position where whilst playing the modern warfare 2 campaign, his/her partner will perform a 69.
3)Finally a soapy joe can mean an insult. it doesnt't really have a specific meaning, but people will use it anyway.
1) Guy1: Hey guys, I have just come back from bowling with soapy joe
Guy2) Soapy Joe? i thought he said he wasn't going?
Guy1): Yeah he turned up at the last minute
2) Guy1: Where did you go last night Tom?
Guy2: Oh right, my girlfriend was giving me a Soapy Joe
3) Guy1: Hey Kyle
Guy2: Shut up you Soapy Joe