@MrBerard I have to teach about market penetration in Business - that's a guaranteed blocking on the school network!
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@MintSpies @MrBerard Everytime I draw a test tube... Even worse if there is a strip of magnesium at the bottom of it 😝
@MrBerard @jellycrystals my favourite comment, when spotting the inevitable cock and balls doodled inside a folder, is "That's not very big is it?" When they look shocked, I tell them it's important to have standards. This is even better if the cock is the length of the A4 folder... (the joy of teaching sixth form!)
