>>15793102its a grammatical construction used to indicate similarity of two things. ie a girl sees a guy wearing a varsity jacket and laughingly says "its giving high school musical". the annoyance derives from the tendency of the girl to restrict something into a category of their classification(why must a varsity jacket "give" high school musical? is not the varsity jacket a popular form of clothing in much other forms of media?) and the thoughtlessness involved in the construction of said construction. as
>>15793036 mentioned, women throughout history have not been able to produce writers of the same linguistic potential as men, so instead of ingenuous metaphor, they resort to simply describing something as "giving" something else.