A yammo can have a few different definitions, depending on context. In general, it is used to refer to a person who is or is acting like an idiot, fool, moron, dimwit, simpleton, tool, lunk head, asshole, jerk, etc.
That guy almost cut me off! Fucking yammo!
I can't believe he didn't know her name was Mulva. What a yammo.
Don't be such a yammo - VOTE.
I can't believe he didn't know her name was Mulva. What a yammo.
Don't be such a yammo - VOTE.
by girljme June 08, 2018