In many games, when facing a lot of opponents, the DPS class will be buffed either with crits or other effects to enhance their maximum damage. 'Making it fat' basically means maximizing your damage output and making the damage numbers FAT.
A food item loved by Uncle Roger which is his version of what MSG stands for.
Uncle Roger: Do you know what MSG stands for?
Me: Monosodium glutamate?
Uncle Roger: HAIYAA. No. It stands for 'Make Shit Good' beucase it makes shit good. You see?
Passionate kissing for an extended period of time.
Usually involves tongue and can last anywhere from a few minutes to a few hours.
Often also includes removal of certain items of clothing, dry humping, and touching/rubbing/groping of various parts of the body.
After watching the movie at his house we had a make out session for like 3 hours. I let him take off my shirt and bra and feel me up while we dry humped it was so hot I may even give him a handjob next time.