(Spanish Slang) loosly translated into English as "Cocksucker". The word literally translates into "Person who sucks"; therefore, it is only implied that you suck penis. A person described as a mamilon will usually be annoying or a kiss-ass.
Jose notices Juan kissing up to his supervisor. Juan was being a mamilon.
Maria was being trolled by Nacho. Not wanting to be bothered, she flatly told him "No seas mamilon."
Maria was being trolled by Nacho. Not wanting to be bothered, she flatly told him "No seas mamilon."
by TDKRises2001 December 22, 2012
