The crotchal region includes anything between the love trail and the taint. Can also include the exit only area (applies to guys only...except when in jail) but this only applies when the size of the foot impacting this area is over 12".
It's science.
It's science.
by oldcarsbreakdown February 28, 2009

by Pleasedonotflickmycrotch June 25, 2012

the ball sac in the crotchal region.
The little brother to the big brother in the crotchal region
The crotchal sac may be hairy or shaved, but if not shaved it would be considered crotchal swamp sac
The little brother to the big brother in the crotchal region
The crotchal sac may be hairy or shaved, but if not shaved it would be considered crotchal swamp sac
"Mark, if you have inflammation of the crotchal sac then your probably are going to need anti-biotics"
"Dave: don't suck on my crotchal sac, Ive got anti-biotics for it"
"Dave: don't suck on my crotchal sac, Ive got anti-biotics for it"
by mrpcakes March 10, 2010

by Goganthian May 2, 2008

A tear in the inseam of trousers, which, on purpose or by accident, allows for increased ventilation of the groin area.
by Ligua Frank-a October 16, 2015
