Crossword Genius

Stick up this clock (3)

Ross

I believe the answer is:

mug

I'm a little stuck... Click here to teach me more about this clue!

'this clock' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Perhaps you can see an association between them that I don't see?

'stick up' is the wordplay.
'stick' becomes 'gum' (I've seen this before).
'up' says the letters should be written in reverse (in down clue: letters go upwards).
'gum' back-to-front is 'MUG'.

Can you help me to learn more?

(Other definitions for mug that I've seen before include "A drinking vesel or a slangy victim" , "Large cup without a saucer" , "Make a face" , "Drinking vessel for one easily deceived" , "A person easily deceived, by gum" .)

I've seen this clue in The Times.
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