A Snackcake is someone who gives horrible dutch rudders and should be banned from society. Typically this person associates themselves with the fraternity of Tau Kappa Epsilon.
Dude, have you seen snackcake? He told me he was gonna give me a Dutch Rudder, but then he just ended puking all over my dick.
When you have to frantically shit so you duck behind a dumpster and blow it against the wall. It launches outward and explodes against the wall running down like a chocolate snackpak.
this term refers to any manner of snack cakes. most popularly, these come in the form of various 'little debbie' brand creations not limited to 'zebra cakes', 'fancy cakes', and the ever-present 'swiss cake rolls'