Oh I showed them the toothpaste all right,
I flashed it about late at night,
But up-and-down brushiri And pokin' and fussin’
Didn't seem worth the time-I could bite!
(a) What do you mean by ‘pokin' and 'fussin'?
(b) What does the line 'Didn't seem worth the time' mean?
(c) What trait of the poet's personality is highligh¬ted by her casual approach to her teeth?