tumper is a word that has evolved from the word 'thumper' but describes a more extreme case . it can also be used as a replacement for 'club banger'.
oh oh he's lining up a tumper...this has got to go in.
There is no meaning. I haven't made one yet but it's funny.
S - Why does everyone on tumper want to fuck the computer
G - What
A Tumpers is a Man that has sex with a lot of women and knows what he’s doing. A professional Playa.
“I fucked 5 girls this week, I’m a tumpers”