Refers to your cock. Your cock has a massive blue vein in it and it chucks man custard when at the climax of arrousal.
by Bigsypowell April 12, 2016
Get the blue vein custard chucker mug.A.K.A: Penis, Knob, Pink pogo stick etc. This term is usually used to describe a large shlong that chucks custard or semen(cum).
by bigboy69 April 13, 2004
Get the blue veined custard chucker mug.by KHD July 17, 2003
Get the blue veined custard chucker mug.by wallago September 26, 2009
Get the blue veined custard chucker mug.by Darren B Fry October 29, 2003
Get the One eyed, blue veined custard chucker mug.