Taco stand add-on, in brief

• Avocado dip, informally
• Nacho topper, slangily
• Green stuff, for short
• Nacho dip, for short
• Green dip, for short
• Avocado spread, for short
• Burrito add-on, for short
• Green spread at Chipotle, for short
• Green stuff in burritos, familiarly

Wiktionary Word definitions in Wiktionary
n. (context informal English) (form of shortened form guacamole English)