A spontaneous event which is associated with wetness like a puppy licking your face. Could also be used to describe any kind of unexpected, yet warmly received, gesture. Can also be used sarcastically to describe either mishaps or actions which could result in a mishap like leaving a banana peel on the floor (e.g., "Bro, nice slapperdoodle in the kitchen! Clean that shit up.")
"Look at little Charlie playing with the puppy! Aw, he just got a slapperdoodle!"
"The slug left a bunch of slapperdoodles on the front porch."
"Just as the night was coming to an end, she pulled out some LSD from her purse. The universe was giving me slapperdoodle all day long!"
Noun. Definition I: Refers to any particular object awesome enough to gain the prefix 'snap.' Also used to further annoy those who dislike the saying, "Oh snap."
Definition II: Expression used to acknowledge an outburst of rage or disbelief
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."