According to Arin Hanson from Game Grumps: Desert Jellies are what the navy calls it when you jerk off in the shower, since you rarely get any alone time except for when you're in the shower. If you jerk it too much however, it will clog the drain, and your "desert jellies" will float back up to the surface.
This is from their BOTW playthrough btw.
"The shower drain got clogged again," Person #1 said.
"What? How?" Person #2 asked,
"Desert Jellies," Person #1 simply replied.
The insult given to the gathered members of the London Assembly by London Mayor, Boris Johnson
B. Johnson: "Are you saying they're abdicating their duty to scrutinize me?"
"Are you saying that they haven't the guts to put the questions to me?"
"Great supine protoplasmic invertebrate jellies!"
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.