wilsti sneak

when a person thinks something is funny, and they repeat it to themselves after the joke has ended, and try to sneak it back into the conversation and everybody laughs

1-wait what do u say, hot?
2,3,4- hahahaha
1-so what class is next
2(t)-{whispers to himself loud enough for everybody in the room to hear} hot
1,3,4- wow, what a wilsti sneak