Someone who repeatedly tries to cover up their boner by tucking it into the waistband of their pants.
by JLaRue April 22, 2013
When a girl is giving you a blowjob (head) while intoxicated, she wraps her arms around your waist causing extreme deepthroating.
i.e. I was at this party a couple nights ago and this girl gave me an Irish Waistband and it felt so right.
by Coolguyaprentice July 29, 2010
When playing beer-pong and one player rubs the ball on their nutsack before sinking their shot the beer in that cup becomes waistband coco
by P-Tarded November 8, 2022