Kolla upp vilket ord som helst, t.ex. ratchet:
 
1.
Achieve an erection; get a hard-on; by extension, perform any difficult task.
He's so asexual, he couldn't get it up at an Annie Sprinkle marathon.
av Cornholio 4 november 2003
 
2.
to get an erection.
to muster the energy.
Dude, you hear Jack tried to bang his chick last night, but couldn't get it up?

I can't get it up to go shopping today.
av Ptorrens 10 februari 2012
 
3.
when u get an erection or a boner in some senses. also means to not be circumcised or a jew.
i wish my mom would help me getitup but thats just wrong cuz im not getitup.
av xhottbsx 7 mars 2008