toast up
C1 informal separable transitive
In simple words
To heat something until it is warm, brown, or crispy.
Literal meaning: To toast something all the way through or up to a desired state.
Meanings
1 C1 informal
To heat bread or a similar food until it is warm, crisp, or browned.
"Pop those buns in the oven and toast them up before you add the fillings."
Grammar: separable
2 C1
idiomatic
informal
To warm oneself thoroughly in front of a source of heat.
"The children toasted themselves up by the fire after coming in from the snow."
Grammar: separable
Usage notes
Relatively informal and mainly used in cooking contexts. Less common than simply saying 'toast'. The 'up' adds a sense of completion or thoroughness. Also occasionally used in the sense of warming oneself by a fire.
Commonly used with
bread bun marshmallow sandwich yourself hands
Forms
Base
toast up
I/you/we/they
3rd person
toasts up
he/she/it
Past simple
toasted up
yesterday
Past participle
toasted up
have + pp
-ing form
toasting up
continuous
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