invisiboner

an invisib-n-r is a b-n-r that is too small for anyone to notice except the one who has it. invisib-n-r is the opposite of micro soft d-ck.
1. “when i got called up to the front of cl-ss, i was worried that everyone would laugh. however i was even more disappointed when no one noticed; that is when i realized my d-ck is so small that i have an invisib-n-r.”
2. “the stripper grinded on jim for 20 minutes but thought that he was suffering from a horrible case of erectile dysfunction; little did she know that he actually was suffering from invisib-n-r, and was just too small for her to see or feel.”
the term you use when you use the upper lining of your shorts/underwear/trousers to support your p-n-s so as to conceal your early morning b-n-r.
used when you want to prevent awkward conversations with your parents/siblings or any other person around you when you wake up!
jim: man how come you never get caught with a b-n-r by your wife in the morning?

tom: looks like you are unaware of the secrets of the invisib-n-r!
the female equivalent of a b-n-r. called an invisib-n-r for obvious reasons.
megan fox gives a lot of lesbians an invisib-n-r.