Alex is a real studhammer.The guy thinks he is a studhammer, but he is just a jerk.
studhammer
slang A man who is very virile and sexually active. After being married to such an uptight prude, she was looking for a real studhammer to satisfy her needs.I want someone who's going to share my life with me, not some studhammer who's only good in the sack.
studhammer
n. a male who is successful sexually with women. The guy thinks he is a studhammer, but he is just a jerk.