A green cap is a reference to a semi-erect penis. The phrase "green cap" is linked to the color of the lids that are found on Semi-skimmed milk bottles.
*Sergio* Don't you think Alex is looking a bit happy with Sophie sitting on his lap?
*Josh* Yeah mate, kid's got a green cap fo'sho!
*Josh* Yeah mate, kid's got a green cap fo'sho!
by Jayvizzle April 02, 2009
the people you can trust when running or riding in the naked bike ride at university of vermont. since bramley took away the police and what not, the green caps are here to save you if you get hurt or assaulted. also wearing green hats...
by nbr lover<3 December 08, 2011
In China, it means cuckolded. Green hat has the same meaning. The depth the green colour indicte the degree of cuckold.
by Happymommyhappyhome December 27, 2019
Green cap gang is a gang in San Andreas, CA, having ownership over all major parks and fields in San Andreas.
by Josegreen May 01, 2021