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1.
An impressive erection, a hard on, or boner. Refering to the angle made between the stomach and the woody. You could hang clothes to dry on a "strong 45"
"You see that new chick that just got here? Had me rockin a strong 45 for sure!"

"As soon as he said we were getting outta work early today, i went to a strong 45"
by MadMizzo August 16, 2011
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