It means you are male that is well endowed Jackson is slang for penis.
Jackson Rathbone's shoe size is unknown. This is not information that Jackson Rathbone has made available to the public.
Swell means to grow bigger, as in 'the swell of the ocean' or 'I could see his chest swell with pride' or, in musical terms, 'the swell of the orchestra' as it grows louder. It is also used as a slang term to mean 'good'.
Michael Jackson's shoe size was 9 UK, 9.5 US.
size 4 but on tour 2
According to the Telegraph.co.uk Michael Jackson's shoe size is 9 UK, 9.5 US.
A slug is a mollusk like a snail, if you mean a slug like from a shotgun about length of shell, slug can also be slang for bullets which can be literally any size up to max.
a size 5 1/2
They grow to an adult size of about 12 inches.
32
jackson
4
Janet Jackson wear a size 8 in womens and 6 in men