Related Clues:

• Little dustup
• Butt heads
• Little skirmish
• Skirmishes
• Small brawl
• Shoving match, e.g.
• Small scrap
• Vigorous conflict
• Rough struggle
• Tug-of-war
• Bit of a fight
• Tackle playfully, as with a puppy
• Roughhouse
• Rough-and-Tumble
• Rumble, say