Combination of 'hubby' and 'boo'.
Girlfriends usually call their boyfriends hubbyboo when they really love them because it is more special than just 'hubby' or 'babyboo'.
Allyson Choi: Hey hubbyboo, I love you so much! Please marry me.
Justin Liu: I love you too. Let's marry. Don't ever leave for college please.
Tyson's Corner, Va, once an exurb of Washington. D.C., has been developed into a hubburb complete with jobs, shopping, residential housing, and cultural attractions.
Tyson's Corner, Va, once an exurb of Washington. D.C., has been developed into a hubburb complete with jobs, shopping, residential housing, and cultural attractions.