by definitionalist August 15, 2011

The wrinkly skin that separates the scrotum into the left and right hemispheres. Also known as the ballseam.
by mr.krinklebein May 11, 2010

A man who loses the ability to speak around attractive women. A kelvin feels like an "absolute zero" when confronted by a hottie. Similar to melvin.
Joe: Check out that hottie over there!
Kelvin: Wow!
Hottie: Hi guys. What's up?
Kelvin: Uh, um, <alternately stares over her head and at the floor>
Hottie: Later, loser.
Kelvin: Wow!
Hottie: Hi guys. What's up?
Kelvin: Uh, um, <alternately stares over her head and at the floor>
Hottie: Later, loser.
by bpl-nyc October 23, 2008

kelvinater
by kelvinater February 1, 2010

Kelvin A substitute for amazing
by Zoro123 November 23, 2021

by fortstreetfortstreet February 1, 2009

Kelvin Sampson found a way to ruin Indiana University Basketball. Once a proud program, turned into the laughing stock of the Big Ten.
by Tom Crean January 16, 2011
