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1) Instrument used as an aid to oral sex

2) Reference to the inside of a womans vagina.
1) After a hard night out and unable to get mr happy Happy, Bill turned to the poontube

2) I was so far up her poontube I punched a hole in here cervix. See cervix boxing
by Sam & Matt January 11, 2005
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An artificial masturbatory aide designed to replicate any female vagina.
Lindaā€™s been on vacation all week, so Iā€™ve been hitting that poon tube real hard.
by Winters & Yonkers June 28, 2018
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