swanch

The sweat that develops between ones ball sack and asscrack aka grundle. After intense exersize one takes finger collects it and wipes it across a victims upper lip.

you just got swanched. why thats was a messy swanch.

by SkiBumm97 May 6, 2003

swanch

The area encompassed (whether male or female) by a pair of Y-fronts (worn in the conventional manner).

Oh no. You've covered your swanch in gravy!

by Benjab December 26, 2008