i think it means House + H, with the added meaning of [H] being in brackets that are often (not always) a killbox…
>Jan 18 2018 21:09:31 (EST) Q !UW.yye1fxo 24
>Are you following the news today?
>WHAT A BIG NEWS DAY.
>These people are REALLY stupid.
>This will be the END of the D party.
>This will be the path forward (w/ public outrage) to JAIL many so-called 'untouchables'.
>You, THE PEOPLE, have the POWER.
DOWN SHE GOES.
>Q