1 definition by mk 2 jag

CATOS

Acronym standing for "Chuckling Amusingly To One's Self".

Used primarily in text language when replying to a joke that is not funny enough to warrant 'laugh out loud' but makes you smile or chuckle to yourself.
laughter
LOL
chuckle

text

person 1 txt: man walks into a bar....ouch
person 2 replies: CATOS :o)

by mk 2 jag September 6, 2011