1) a process required to remove any for of bitch-assness, (mood swings, not daring, literally having a pussy, bitching out, crying, lack of cursing, unable to have sex, unable to obtain sex, lack of sexual activity, rejection of sexual activity, no pursuit of sexual activity, finishing high school without sexual activity, thinking of a girl for more than sexual activity) in males that don't properly develop into manhood. Usually involves multiple test and a series of beatings and abuse. Process may take up to several years.
Ryan was a virgin super bitch until he underwent depussification. Now his balls drag on the floor.
'Dussin' refers to the boy who goes by 'trenan' or some shit online. Doing a 'Dussin' can mean one of two things. It either means being a lil bitch and ditching a party (bozo) or kissing 'bigtoufy' on the lips at a party but then asking to kiss again (gay). He commonly has bigtoufys balls on his head at parties.
Callum: BROOOOO as if Oli is pulling a Dussin again!
BigToufy: i stg if he tries to kiss me on the lips again...
Barney: WOW that must be a Dussin because he is ditching.