A woman who is built in such a way that you can have mutually satisfying sex while the two of you are standing up and facing each other.
Nancy's flat tummy and the gap between her thighs make her a perfect front loader... we can screw and screw and screw some more standing up until we get off in each other's arms. Then I throw her on the bed and we screw and screw some more.
slang term for a very long penis
I front-loaded her pussy while we were standing up, facing each other, utilizing my proboscis!