a large, gluttonous female mammal prone to overeating and harrassing males half her size in order to prove her own sexuality
that girl who lives down the hall, you know..the one who thinks she can walk around in her little cami and pj pants fit for a 5 year old.. yeah, thats her...
A woman who is larger than her male bedfellow.
Angie thinks she is a gigantor because we have difficulty spooning on a twin-sized bed.
a penis that is abnormally large
ben: my pants are too tight
tom: thats cos gigantor is in the way
A huge, gigantic, manly, query female with a peni (which is shared with the husband), who resembles the incredible hulk....and is the biggest bullshitter of all time.
Shut it gigantor - you use the male lavs, to check out all the other peni's, and have cock envy.
Person 1: Holy cow that girl is a monster...
Person 2: No no, she is a gigantor
(a)a person of unquestionable size, with huge hands and appendages. Prone to quick temper and unmitigated carnage when they blow their top.
WOW!! look at the size of that lady she is some sort of Gigantor