nerve up
Advanced (C1) informal
To force yourself to be brave enough to do something scary.
"She nerved herself up and walked into the interview room."
Hear it in context
CHUNKZ vs KSI and AboFlah | Match For Hope
Chunkz · 72:49
Can Usiy hold his nerve up against one
CNS Infections | Clinical Medicine
Ninja Nerd · 25:33
It just moves along the olfactory nerve up through the cribopform plate.
CNS Infections | Clinical Medicine
Ninja Nerd · 24:04
and then what it'll do is it'll travel along the olfactory nerve up through