Source : WordNet®

blow up
     v 1: cause to explode; "We exploded the nuclear bomb" [syn: {explode},
           {detonate}, {set off}]
     2: make large; "blow up an image" [syn: {enlarge}, {magnify}]
        [ant: {reduce}]
     3: 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" [syn: {flip
        one's lid}, {throw a fit}, {hit the roof}, {hit the
        ceiling}, {have kittens}, {have a fit}, {combust}, {blow
        one's stack}, {fly off the handle}, {flip one's wig}, {lose
        one's temper}, {blow a fuse}, {go ballistic}]
     4: add details to [syn: {embroider}, {pad}, {lard}, {embellish},
         {aggrandize}, {aggrandise}, {dramatize}, {dramatise}]
     5: exaggerate or make bigger; "The charges were inflated" [syn:
         {inflate}, {expand}, {amplify}]
     6: fill with gas or air; "inflate a balloons" [syn: {inflate}]
        [ant: {deflate}]
     7: to swell or cause to enlarge, "Her faced puffed up from the
        drugs" [syn: {puff}, {puff up}, {puff out}]

Source : Free On-Line Dictionary of Computing

blow up
     
        1. Of a scientific computation: to become unstable.  It
        suggests that the computation is diverging so rapidly that it
        will soon overflow or at least go {nonlinear}.
     
        2. {blow out}.
     
        [{Jargon File}]