A group of usually anything-goes dirtbag adverturers. Money is usually only a priority to only get somewhere or do something, otherwise, it's the trip that matters. Because they're usually young and dumb, they usually do pretty hazardous activities for fun like skiing or rock climbing or mountain biking, etc. A hazard assembly is a group of them.
A hazard assembly formed of about a dozen mountain bikers in the middle of fucking nowhere. I had no idea where they were actually going...
by Hundalair March 13, 2009
Get the hazard assemblymug. The assembly where people suffer less and can actually sit down, still have to clap AS HARD AS Day 4 assembly though.
by THE_GUY_WITH_A🍆 December 29, 2023
Get the Day 1 Assemblymug. 
Definition 1: To summon or assemble thou Mandem or Gang
Definition 2: The opposite of Mandem roll out
Definition 2: The opposite of Mandem roll out
opp and his fellow companions: “we caught you lacking son”
You: “I think not MANDEM ASSEMBLE! OPP BE READY FOR A BRAWL”
You: “I think not MANDEM ASSEMBLE! OPP BE READY FOR A BRAWL”
by Phil Collins & Sons March 7, 2024
Get the Mandem assemblemug.