shenanigan /shi-nanˈi-gən/ (informal; usu in pl)

1. Trickery, underhand dealings
2. Mischief, antics

• surface plate
• surface plates
• surfacer
• surfacers
• surfaces
• surface structure
• surface structures
• surface tension
• surface tensions
• surface-to-air
• surface-to-surface
• surface-vessel
• surface-vessels
• surface water
• surface wind
• surface winds
• surface worker
• surface workers
• surfacing
• surfacings
• surfactant
• surfactants
• surf-bather
• surf-bathers
• surf-bathing