This unused and long term is used for when a NSFW video / gif or a normal video / gif is cropped to where someone "trampolining" looks like the person or thing is getting railed by something or someone.
Ben: Look at this anime character trampoline .
Jerome: Hm, that looks wrong.
Avery: Oh what the fuck, that's The Bad Kind of Trampolining.
Jerome: Hm, that looks wrong.
Avery: Oh what the fuck, that's The Bad Kind of Trampolining.
by DumbassOofGuy April 7, 2021
Get the The Bad Kind of Trampoliningmug.