Jam tin

A type of improvised grenade-like bomb used mainly in the first world war. Soldiers would use the empty tins from their ration of jam and fill it with explosives and shrapnel. Improvised jam tins often resemble the 'Double Cylinder Bomb' that was in use at the same time.
"I managed to kill two guys in trenches today using a couple of jam tins"
or
"Shit, a jam tin went off next to me and now I've got shrapnel stuck in my leg"
by flyingtele September 28, 2008
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jam beard

ahhh jam beard
by Ryan Joesph May 15, 2009
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Jam boy

A useful way of fending of those irritating flies whilst enjoying the grand game of golf.

One would smear jam or another fruit based condiment on a couple of young ethnic chaps and have them follow in tow. Like a magnet the flies would stick
To the jam allowing the good white folks
A trouble free round..
And for abeo and abefunde the fruits of there labour would the reward of keeping the jam to take home and enjoy on some plantain chips.
Oh I say Archibald I hope those pesky flies don’t spoil our round today. Not to worry Henry I’ve hired us a couple of jam boys that should do the trick. Does that work??

Like shit to a blanket!!
by Jambokeith85 November 23, 2020
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Def Jam

come on pal! i'm a white british kid and i know def jam didn't originate in the mid 90's and has fuck all to do with mos def. it (was) a legendary record label, see public enemy, beastie boys, ll cool j and bunch of other old skool legends
...err, i think slick rick used to be there too. btw, it's bit wank now, like most hip hop
by rich May 05, 2005
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Oyster Jam

When someone who has ran out of credit, or valid ticket/pass, on his/her oyster card causes delay for other people to pass through the ticket barrier (London Underground)
It took me 3 mins to exit the station because of people causing an Oyster jam.
by Dee-Odus December 19, 2008
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Barista Jam

an opportunity for baristas to come together and pull shots, learn more, and essentially nerd out for one or more days. Those that drive ridiculous distances to attend these as possible are considered to be 'jam whores'
"Dude, are you going to the barista jam next weekend? I heard there's gonna be a latte art throw down!"
"No...it's like 7 hours away! I'm not a jam whore like you."
by squidgeroo November 10, 2008
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mam jam

I saw this girl running on the track and she had some major mam jam going on.
by fishaub December 08, 2009
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