mayo; mayonnaise
Casual abbreviation of マヨネーズ, used in everyday speech and informal writing.
See also: マヨネーズ
I put mayo on the salad.
I put mayo on my salad and eat it.
I like mayo so much I end up putting it on everything.
ツナをマヨで和えてサンドイッチに挟んだ。
I mixed the tuna with mayo and put it in a sandwich.