1. Full throttle, sinking to the hilt, literally or figuratively.
2. Highly favorable defensive position which offers an unobstructed field of view.
3. Depth of coitus.
4. Willingness to go bag deep (take the whole shaft) to obtain something.
"He went bag deep to break that tackle and get that touchdown."
"I didn't know if her roommate was home so I went bag deep to watch the front door."
a."I think I bruised my pelvis." b."Oh, you went bag deep?" a."Yeah, a real hammerjacking."
Bagdeep is extremely sweet, cute, handsome and sexy man you see. A man with great personality and wanted by every girl around him. Attractive smile makes woman go wild. If you are his girl then he will treat you like a little princess of his.