An exaggerated colloquialism to correctly asses the abilities of being good with women.
When a man is extremely adept at picking up and sleeping with (fornicating) others especially women.
When a man attracts many ladies and their approval, lusts, and fascinations.
A man who uses gifts as a means to sleep with many women.
A man who is a Sexual Dynamo.
Dude, You see Jimmy with all those girls tonight? He was Santa Sleighing!
The professor knows just what grades to get those girl's shirts off. He Santa Sleighs.
I Santa sleighed it last night in bed. She was begging for more.