A hoard of pikeys who go around doing chavvy behaviour. Typically proletariat these underlings try to terrorise the streets of cities with ASBOesque behaviour. Often being very 'try hard'.
Charles: "James look at those hooded youths"
James: "Youths? They appear to be are age?"
Charles "You know what I mean, pikeys, rif raf, underlings, proletariat."
James: "Yes, they seem to have formed some kind of mandem"
by Winnie A June 4, 2011
Get the Mandem mug.
1. referring to a general state of machismo affecting persons over a vast geographical area.

2. a highly contagious state of brodaciousness, or brovado, raising levels of brogesterone to dangerous levels.
What began as a modest brodown soon escalated into a full-fledged mandemic as hordes of the broletariat, as well as the brogeousie, converged on the streets, almost as if the brozone layer itself were replete with brogesterone and raining it down upon bros en masse.
by Alpha Cat November 1, 2010
Get the mandemic mug.
your crew/gang that you go around with and get in trouble with, usually 4-6 people.
teacher 1: Best get in isolation right now.
girl 1: No chance,not without my mandem.
girl 2,girl 3,girl 4: Get iso on friday mandem cause fishy's on duty first break,it'll be a laugh
by greenblazer April 4, 2019
Get the mandem mug.
A term mainly employed little urban shits to describe groups of other dickheads. Very cringeworthy to hear this if you arent interested in their way of speaking.
'yo bruv you seen dat man... literally... brap'
'yeh e wiv dat dem mandem innit... '
by tom healey December 17, 2016
Get the Mandem mug.
it means a group of friends ffs!

all you trolls grrrr :D
me and my mandem are going out to rip it up... lol
by Phatdanny July 8, 2011
Get the Mandem mug.
The replacement of a female tandem partner with a male counterpart in a motorcycle stunt. 2 men 1 bike... Mandem
Guru and Steve Rocked the longes mandem spreader ever!
by Tony Levesque July 11, 2008
Get the Mandem mug.