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An unwanted erection, usually occurs for young school boys in maths lessons.
"Dude, I just got a fat tiffler in maths!"
by DannySEIZURE! October 02, 2008
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2
"Dude, I just got a fat tiffler in math"
by DannySeizure! October 13, 2008
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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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