Top Definition
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
1 more definition
2
Basically, an unwanted erection.
"Dude, I just got a fat tiffler in math"
by DannySeizure!
October 13, 2008
