What do you take me for? ( = I am not that type of person; You should not believe I could do a thing like that) — За кого ты меня принимаешь? Как ты мог обо мне такое подумать?!
If you take take someone for something, you accept or believe that they are that thing
be in seventh heaven{infml} (to be extremely happy) — быть на седьмом небе (от счастья, восторга и т. п.)
stuff one's face (with) (eat a lot of something) — есть в больших количествах; наедаться; набивать брюхо
Example 2: Fat people are fat because they're pigs, because they sit there and stuff their face all day, and because they're obsessed with -- with -- with food. (Midnight come again)