The massive collection of hair between your corn hole and your scrotum/vag that may contain any number of items including unidentified species and and leftover dinner.
by chrisvt08 March 5, 2011

The hidden dining hall on UVM's Trinity Campus. You can actually use BLOCKS to get real food (like pizza, bottled soda, and entire tubs of Ben & Jerry's).
Harold and Kumar went to the Super Grundle to get real food after suffering through lunch at Cook Commons.
by grundletime2468 October 25, 2009

An indie rock band from Leonardo, NJ. Their two hits "i'm freer than you" and "extra creditooo" contain several of the musical gestures they would be known by. singing like a faggot, as each of them does, is one of them. Later, chorus teachers and voice instructors alike would come to use the phrase "Scummer Grundle" to discourage students who never really had a chance anyway.
by Mrs. Vitalo November 5, 2010

the result of mixing talcum powder and body sweat, usually located under armpits, breasts, or crotch region.
by leftybklyn July 23, 2011

by poopy butt August 29, 2016

When you go so deep into the pussy that you go beyond balls deep. In this situation, a mans testicles actually enter the vaginal cavity, and he is then "up to his grundle" (the taint) in her vagina. Essentially, his testicles become the functional equivalent of Volvo crash impact dummies against her cervical membrane.
Yo son, I hyperthrusted this broad and ended up grundle deep. She screamed out that she wished she had a cervical air bag!
by Roscoe Sanchez April 9, 2008

by osu985 February 20, 2009
