Massive Jones's definitions
by Massive Jones June 8, 2007
Get the Got a Beep mug.A ninja boner is an erect penis that you must stealthily conceal whilst moving, which involves disguises and clever use of shadow and vegetation.
Often required when the words "Give it a minute" will not save you.
Often required when the words "Give it a minute" will not save you.
Last night Jen gave me such a ninja boner at the party, I had to creep around the outside of the garden in the dark to get a drink.
by Massive Jones June 7, 2007
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