Answer:

bubs

Answer	Crossword Clue
BUBS	Slangy buddies, to their buddies
BUBS	Macs
BUBS	Macs or dudes, old-style

BUBS	Slangy "buddies"
BUBS	Slangy buddies

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.