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1.
The adjective form of testicle is testicular. The phrase should be "testicular fortitude".
I just met a guy who can't tell the difference between a noun and an adjective. It takes a lot of testicular fortitude to display your ignorance in public like that.
by My dixie wrecked November 25, 2003
49 25

Words related to testicle fortitude

balls nuts vage weballs webos
 
2.
means having balls, bravery, courage
if ya wanna win, u bettah reach down and grab for sum testicle fortitude
by Inflame November 23, 2003
40 28