A Bigeen is slang terminology for the male genitalia
Suck my Bigeen or your Bigeen is tiny
by kieran mcguckin and david smith April 02, 2008
1 more definition
a slang and derogative word for the male reproductive organ.
Kieran: She just kicked me in the bigeen and never said sorry
by snoopyseeeeeeeeeen April 06, 2008