jim: man how come you never get caught with a boner by your wife in the morning?  tom: looks like you are unaware of the secrets of the invisiboner
the term you use when you use the upper lining of your shorts/underwear/trousers to support your penis so as to conceal your early morning boner
"jim: man how come you never get caught with a boner by your wife in the morning?  tom: looks like you are unaware of the secrets of the invisiboner" What is the definition of "invisiboner"?