Any man, woman or couple that engages in limited, casual hook-ups with or without their significant other.
"My wife and I lead a, Monogamish lifestyle.
by VG6373 October 12, 2011
A relationship that is mostly monogamous but occasionally exceptions are made for sexual play.
My boyfriend and I are monogamish, so it's cool if you want to make out with me.
by sluttychica August 17, 2010