According to Merriam Webster Dictionary :
Definition of DYSPHORIA
: a state of feeling unwell or unhappy
According to medical dictionary:
“gender dysphoria unhappiness with one’s biological sex or its usual gender role, with the desire for the body and role of the opposite sex.
Feelings of anxiety, restlessness, and dissatisfaction.
Given these two definitions we can easily piece together that to have gender dysphoria means you have a physical and/or mental disconnection with the gender you were assigned at birth. You might not physically want to change your body but still not feel directly associated with what society views your assigned gender as. Or the reverse, you may not mind the “role” you’re assumed to have but are extremely uncomfortable with the outward appearance of your body, desiring the one of the other gender.
To say you are trans but non dysphoric is to say you chose your gender, as a lack of uneasiness or discomfort means you are perfectly fine with your assigned gender; in other words you are cis.
Tumblr needs to stop this mess, because either a bunch of you don’t know what dysphoria is or you’re making out being trans as simple as the next clothing trend, and its belittling and harmful to real trans people.