Many graphical tropes are simplifications, used to make the scene easier to draw. Books are always open in the middle, bite marks are smooth, and so on.
Replace "lazy" with "low-budget," "time-limited," or "unskilled" as appropriate.
A Sub-Trope of Limited Animation, specifically the sub-type that makes the format so infamous.
Prominent examples:
- Big Ball of Violence
- Battle of the Still Frames
- By the Lights of Their Eyes
- Cartoon Cheese
- Cartoon Juggling
- Cartoon Meat
- Cheated Angle
- Cheeky Mouth
- Clip-Art Animation
- Cut-and-Paste Comic
- Dull Surprise
- Faceless Masses
- Featureless Plane of Disembodied Dialogue
- Filming for Easy Dub
- Four-Fingered Hands
- Furries Are Easier to Draw
- GIS Syndrome
- Going Through the Motions
- Hands in Pockets
- Invisible Anatomy
- Invisible Bowstring
- Irisless Eye Mask Of Mystery
- It's Always Spring
- It's Always Sunny in Miami
- Leave the Camera Running
- Limited Animation
- Limited Wardrobe
- Long Pants
- Motionless Chin
- Mouse Hole
- Mouth Flaps
- No Knees
- No Mouth
- The Noseless
- Off-Model
- Only Six Faces
- Only One Female Mold
- Painted-On Pants
- Perpetual Expression
- Rainbow Lite
- Recycled Animation
- Ring Around the Collar
- Rotoscoping
- Rubber Hose Limbs
- Shading/Colour Dissonance
- Skintone Sclerae
- Sparse List of Rules
- Speed Stripes
- Stock Femur Bone
- Stock Footage
- Talking Heads
- Thin-Line Animation
- Tooth Strip
- Unmoving Plaid
- Unreliable Illustrator
- Wheel o' Feet
- Wraparound Background
- Your Size May Vary