Slang / euphamism for 'violent(ly insane)'. Spoken of the character 'Brock Sampson' by the character 'The Monarch' on the cartoon show 'The Venture Bros.'
Without a doubt, The USA has gone sickhouse on Iraq since March 20th, 2003.
by UDreader November 11, 2004
adj. To go buck wild, crazy, nuts, or insane.
Cut that out or he'll come up here and go completely sick-house on all of us.
by Chris Cooper December 08, 2004