to jiggle/grab the man boobs
its a o-ue stem changing verb in spanish, for example: i muego him, you muegas him, etc
"Caroline loves to moogan his large man boobies."
Mandy: So what did you do today?
Kayla: ya know, just mooganed some man boobs.
A combination of dork and weirdo; Someone who is generally uncomfortable to be around and is socially awkward.
That kid is a moogan, he just stood in the corner creepin on girls at the party