shit backing 

when someone helps you and you dont thank them or help them in return.

i helped tom get a job and now hes shit backing me.

shit backing by overloadtsp October 13, 2010

barking up shit's alley 

When you think you know what you're talking about but you don't have all the information and you're basically full of shit.

I'm pretty sure that doctor pushed his wife off that cliff in Hawaii because he was having a bad reaction to antidepressant medication but I could just be barking up shit's alley.

barking up shit's alley by Smoochie Menendez April 20, 2025