1 C1 idiomatic slang
To laugh loudly and boisterously (variant of 'yuck it up').
"The whole group was yucking up at the back of the room."
inseparable
yuck up
C1 slang separable transitive/intransitive
A rare variant meaning either to laugh boisterously or to make something disgusting or dirty.
In plain English
Either to laugh a lot loudly, or to make something disgusting or messy.
What does "yuck up" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
2 C1 idiomatic slang
To make something disgustingly dirty or unpleasant.
"The kids managed to yuck up the entire kitchen in ten minutes."
separable
Usage tip
Very rare and not standard. May be used as a variant of 'yuck it up' (laughing) in some dialects, or as a variant of 'yuck out' meaning to make something disgusting. Not widely recognized and its meaning is often unclear from context. Learners should prefer 'yuck it up' or 'gross out'.
Words that pair with "yuck up"
Natural word combinations native speakers use most often.
laughter mess fun disgust
How to conjugate "yuck up"
The five tense forms you'll use most often.
Base
yuck up
I/you/we/they
3rd person
yucks up
he/she/it
Past simple
yucked up
yesterday
Past participle
yucked up
have + pp
-ing form
yucking up
continuous
Hear "yuck up" in the wild
Listen to native speakers using "yuck up" in real YouTube videos — click a clip to watch it on Looplines.
Keep exploring
Jump to every phrasal verb built on the same verb, particle, or level.