Abbreviation of up to putty.
upter (comparative more upter, superlative most upter)
- (Australia, colloquial) Useless, no good.
- 1985, Peter Carey, Illywhacker, Faber and Faber 2003, p. 228:
- ‘Where's your father hiding?’ She rubbed the rough-textured skin, trying to warm it. ‘If he thinks he's entertaining us, he's upter.’