(games) A children's game in which players take turns to place S's and O's on a grid, collecting points by creating an "SOS" sequence.

Initialism of shit on a shingle.

Roughly, approximately.

A Mon-Khmer-speaking people of Laos and Thailand.

Alternative form of So.

A Chinese surname from Cantonese.

Initialism of Shorter Oxford English Dictionary.

Initialism of sudden-onset explosive diarrhea.

(idiomatic) Used to indicate that a list continues in a similar manner.

(idiomatic, childish) A defiant expression used to finish a poorly-made argument.