The space between the anus and genitalia. The most likely place for faeces and all kinds of junk to get trapped.
I didn't realise I hadn't wiped my junk gap properly.
by Wownewstome! May 27, 2014
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1. Male Taint
2. The region between the Penis and Balls (Junk), and the butthole(Trunk)
1. Junk-trunk gap give it a slap.
2. He enjoyed a visit to the junk-trunk gap during orgasm.
by One nice bun August 2, 2009
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