[Spaff] [Wagon] 

1. a person who is a goon.

2. a person who is only good to deposit sperm in or over.

an insult.

1.
A: mate I know i said i'd go for a beer but i'm working.
B: oh you spaff wagon.

2. that thick fucking spaff wagon!

[Spaff] [Wagon] by Guido of midland origin. October 18, 2008

Spaffwagon 

Spaffwagon noun, derived from the words spaff (meaning semen) and wagon (another word for van). Spaffwagon can be used as banter to greet friends, but also can be used as an insult.

What’s up spaffwagon

That Jack is such a fucking spaffwagon

Spaffwagon by P.e.w.m February 6, 2018