Short for "grommet". Basically a young'un who is still learning to be rad. Not exclusive to surfing and skating, the term has been co-opted by most individual outdoor sports (skiing, snowboarding, kayaking, etc).
by gapernet June 19, 2017
V. Yo, we just grommed a bomb blunt.
N.yo, JP hook me up with some gromms
ADJ. Bore was so fuckin grommed and he ran home.
N.yo, JP hook me up with some gromms
ADJ. Bore was so fuckin grommed and he ran home.
by conz January 23, 2007
To masturbate
by Braidedasshair February 22, 2019