What does Tipple and Topple mean?

[Mai]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #44 "Scandal", question 7

There was even talk that incidents like this one could ......... the Government.

(a) tipple
(b) topple
(c) tackle
(d) tickle

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #44 "Scandal", answer 7

There was even talk that incidents like this one could topple the Government.

Correct answer: (b) topple
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What does Tipple and Topple mean please?

Thanks,
Mai

[Mister Micawber]

.
Topple = knock down; cause to collapse
Tipple = drink alcoholic beverages
.
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Native English teacher at Mister Micawber's