upside down calculators
5318008 : Boobies
55378008 : Boobless
7100553 : Esso Oil
71077345 : Shell Oil
37183045 : Shoe Bile
45084518 : Bish Bosh
written by Wi*li* , Jo* Blyt*, approved by Log

Once upon a time, '7' men paid '1' pound for a hole in the ground ('0'). No-one could see the point ('.') of this, but the '7' men became millionaires within '7' nights. How? Well, '3' of the men built a drilling machine above the hole, whilst the other '4' made it work. By '5' o'clock, the men had discovered something. Do you know what it is yet?
Turn the calculator upside down to amaze the whole class.
Alternatively, just type '0.7734', turn your digital calculator upside down and continuously tap the classmate in front of you until he/she is forced to turn around and read the amusing message.
written by Di*ne* Da*ce, approved by Log

53450106: Goloshes

Essentially not as fun as the others, but I invented it myself.

(*cough*lamer*cough* Aw that's BRILLIANT Alistair! Susan. x)
written by Al*st*ir *ray, approved by Susan

60436034 - Hedgehog.

Shown to me in a fit of glee by a girl who had given herself the nickname 'Hedgehog'. That was the kind of thing that qualified as exciting at my school.
written by Ka* Evan*, approved by Phil

55045508 : Boss Hogg, of Dukes of Hazzard fame. I definitely invented this one.
written by da*ien *icic*e, approved by Log

The world famous Boobless can be adapted into a personal attack on Deborah's chest, if you have a second calculator.
55318008 5318830
written by je*iko*jone*, approved by Log

Five thousand men (type 5000) and one girl (add 1) they all shagged her 7 times (multiply by 7) after which she was rather - turn upside down
written by Jo*ny *, approved by Log

There was one woman on an island (press 1).
There were 5000 men (+5000).
She shagged each of them seven times (x7).

Turn the calculator upside down to find out what she is. (Hint: the slack-fannied slag.)
written by Po*glesn*tch , approved by Matt

The full story behind how a sixty-nine titted lady became boobless? Allow me:

There once was a woman with 69 boobs
(press 69)
which was too, too, too many.
(press 222)
So she went to 51st Street
(press 51)
to see the mysterious Doctor X.
(press the times symbol)
Eight surgeries later
(press 8)
she was completely
(turn the calculator upside down)
HOLY SHIT
written by an*nymo*s *ser, approved by Log