A man who is so shy and childish that if his mother was to have sex in front of him he would not know what her vajina is and would also giggle at the fact she has one
I was fucking an asianchick and her roommate came in he is such an ALooney he just laughed at it
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.