What is Fucked Sideways?
1.
(1)When one makes seriously intense love to another person, enough so that the one on the receiving end of the love-making can't walk straight.
(2)Drinking way too much to the point where one can't walk straight.
I just saw your mom getting fucked sideways.
2.
1. To be completely screwed over, usually do to one's own stupidity.
2. To be in a real predicament and/or a lot of trouble, especially with a higher authority.
1. Stan: We're outta gas.
Jerry: Great goin' dumbass, I told you to fill up the tank when we had the chance.
Stan: I know, I know...now we're fucked sideways.
2. Dude, when your mom finds out that you maxed out her credit card you're gonna be fucked sideways.
See