Wall or Wally is a name.
Wall (Short for Wally) is also a 1970's slang term for a Old Never-Married (Rumoured to be gay ) Male.
" Your going to get Hammerd in the Slammer for that you Wally (70's Slang)
" Hey Jim you Wally, once you have finished with the washing can you iron my Uniform. Right? "
" your passed your sell by date, you sure your not a Wally Mate? you should have gone full steam ahead years ago "
" 65 and single? i think hes a Wall "