Meaning of blow up
Definition of blow up
make large; "blow up an image"
get very angry and fly into a rage; "The professor combusted when the student didn't know the answer to a very elementary question"; "Spam makes me go ballistic"
add details to
burst and release energy as through a violent chemical or physical reaction; "the bomb detonated at noon"; "The Molotov cocktail exploded"
exaggerate or make bigger; "The charges were inflated"
fill with gas or air; "inflate a balloons"