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1.
anything slimy
that watermelon tasted like pline
by Poor Moe, Poor Moe July 09, 2009
 
2.
P-line also called P Line (Pussy Line) is a mountain biking term used to describe, a usually illegal, bypass route created on a trail by scared, inexperienced or novice riders to avoid natural technical features. For this reason it is referred to as the Pussy Line or P-line since most forums will not allow the use of the word Pussy.
I noticed a lot of riders using the P-line climbing up Rock-It today.
by RED5 July 23, 2012