What is "stuck up"

1 (context idiomatic English) snobbish, conceited; believing oneself to be better than others; haughty; arrogant or egotistical. 2 (context idiomatic English) jammed; stuck and unable to move. alt. 1 (context idiomatic English) snobbish, conceited; believing oneself to be better than others; haughty; arrogant or egotistical. 2 (context idiomatic English) jammed; stuck and unable to move. v

(en-paststick up)