[Intensifies] is an Internet slang term that is typically used in audio descriptive image macros and vibrating GIFs to denote a drastic build-up of a particular action, opinion or sentiment in progress.
Origin
On December 27th, 2012, an image macro featuring the Gorilla Munch cereal mascot with the caption “Rustling Intensifies” (shown below) was posted to the /tv/ (Television & Film) board on 4chan[7] in response to the television crime drama series The Wire being called “a cop show.”
