progressing rapidly to some conclusion, as a disease
galloping pneumonia
3.
growing or spreading rapidly
galloping inflation
Word origin
[1595–1605; gallop + -ing2]This word is first recorded in the period 1595–1605. Other words that entered Englishat around the same time include: condensation, detail, redundant, toss, vernacular-ing is a suffix forming the present participle of verbs (walking; thinking), such participles being often used as participial adjectives (warring factions)
Examples of 'galloping' in a sentence
galloping
All around him men were pointing, staring at the lone rider galloping towards them.
Penman, Sharon HERE BE DRAGONS (2004)
He keeps galloping and is just so enthusiastic.
The Sun (2013)
He had described it as 'creeping along' when it should have been 'galloping'.
Times, Sunday Times (2011)
Cue lots of galloping back and forth along a cliff top in celebration!