Supplementary MAin Store / Switched Maintenance Access System

Ha Ha Only Serious

Virtual Terminal Protocol

Rolling on the Floor Laughing Out Loud

Experts Group on File Transfer

A Merely Insignificant Game Addiction

Advanced Graphics Port / Accelerated Graphics Port

Subscriber Main Distributing Frame

Do I look like I give a darn?!

Group Processor

Value Added Data Services

Digital Cross-Connect

Definition of Management Information / Desktop Management Interface / Digital Multiplexed Interface

Ob- [as a prefix] obligatory / Out of Bounds

Network Node Manager

Common Management Information Protocol Data Unit

Read/Only

Main Listed Number

What the Fu#? Do I Know

Tongue in Cheek / Tongue stuck out / Wry Smile / Disgusted (sticking out tongue)

Supplementary MAin Store / Switched Maintenance Access System