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the act of accidentally hitting the wrong hole during vaginal intercourse thus causing the woman to "jump". a very quick accidental anal penetration.
tiffany and i were doing it and i gave her a quick janal! she was very pissed!
by funny shitz July 25, 2012
to have anal sex with a woman called jane.
maaan, i heard that, that stuart guy had janal.
by ianmlian February 25, 2009
1.Slang or shortened term for Jane Turner.
1.I know a girl who loves janal.
by John Barry November 20, 2004