Top Definition
When smoking cannabis and one person throws an entire nug in for a pack. because the nug is still attached to the stem, the stem will stick out the bowl, resembling a mouse tail. To some, it results in a better all around hit or a total and complete waste.
"Yo man is it my turn to pack?"
"Yeah bro, just mouse tail it, throw in the whole nug"

"Check out that mousetail"
by mikeamil July 18, 2008
1 more definition
Where ones tampon string hangs openly out of ones swimsuit. Typically happens at a pool during day drinking sessions. Also referred to to as a dynamite stick.
Jamie! I see your mouse tail!! ;(
by Uncle bb August 12, 2012

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