to ensnare an unlucky victim between a sweaty t shirt and the attackers greasy belly. the attacker then screams out butch a neigh! this event usually takes place after a long session in the gym or sports hall.
"that lad just got butch a neighed!"
"i regret to inform you that your son has died from a fatal butch a neigh"
"im not going to sports hall tonight incase i get butch a neighed."