A fork of Rural Dictionary
When someone says something suspect implying they engage in/would like to engage in sexual relations with a family member.
Ex. 1 Guy 1: Dude my mom looks great in the shower. Guy 2: Bro that's inSUSt Ex. 2 Donald Trump: "I don't think Ivanka would do that inside the magazine although she does have a very nice figure. I've said if Ivanka weren't my daughter perhaps I'd be dating her." America: Yo that's inSUSt