くそ食らえ: eat shit, fuck off, kiss my ass

Alternative form of 擧 (Shinjitai form 挙)

to praise passionately

playful writing, a type of orthography expressing an author's cleverness or playful wit. One famous example is to write the expression 出でば (ideba) as 山上復有山者 (Man'yōshū volume 9, poem #1787)