Expression "Jump all over"

[Ljiljani]

English Language Tests, Intermediate level

ESL/EFL Test #194 "Phrasal Verbs (H to L)", question 4

Kevin ......... the great opportunity to be the floor manager.

(a) jumped all over
(b) jumped in
(c) jumped over

English Language Tests, Intermediate level

ESL/EFL Test #194 "Phrasal Verbs (H to L)", answer 4

Kevin jumped all over the great opportunity to be the floor manager.

Correct answer: (a) jumped all over

Your answer was: incorrect
Kevin jumped in the great opportunity to be the floor manager.
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I don't understand what does it mean "jump all over"; I couldn't find it in my dictionary (Collins Cobuild).
Thanks.

Ljiljan

[Mister Micawber]

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Well, unfortunately if you use the ONE LOOK DICTIONARY SEARCH, it locates only another meaning of this phrasal idiom. Jump all over also means (as here) eagerly accept / enthusiastically take advantage of.
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Native English teacher at Mister Micawber's

[Haihao]

I searched the idiom with all available resources too only to get the unfortunate results as well. Every dictionary I have in hand says unanimously it means 'to criticize someone severely'.

Anyway, is it here = jump at?

haihao

[Mister Micawber]

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Yes--'jump' at would work well in this sentence.
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Native English teacher at Mister Micawber's