chonk up
C1 slang both
In simple words
To get bigger and fatter — used in a cute or funny way, usually about pets.
Meanings
1 C1
idiomatic
slang
(Internet slang) To gain weight and become noticeably fatter, especially said affectionately about an animal.
"Look at this cat — he really chonked up over the winter months!"
Grammar: inseparable
Usage notes
Very recent internet slang originating in online communities (particularly around cat content). 'Chonk' itself is internet slang for a fat animal (especially a cat). Not used in formal or even standard informal speech. May fade from use as internet slang cycles change. ESL learners may encounter it in online contexts.
Commonly used with
cat pet kitten puppy winter food
Forms
Base
chonk up
I/you/we/they
3rd person
chonks up
he/she/it
Past simple
chonked up
yesterday
Past participle
chonked up
have + pp
-ing form
chonking up
continuous
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Synonyms
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