Top Definition
When a man takes a knee to propose to said lady, and after is all said and done is sporting major wood on the way up.
And as Jason said "Will you marry me?" she could'nt help but notice the massive erection in wake of all the emotion.

she simply replied "Do you have a proposal boner?"

"Why, yes I do..."

"Well then yes, I will marry you"
by italion donkey October 01, 2010
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