To Dick ladder is to know you can't get to a cooler or more popular person so you befriend said person's friends to reach your goal of earning the cooler or popular person's trust/friendship.
To move to a higher level of education by receiving credit for the course material completed at a lower level. Receiving credit for courses taken at other institutions.
Exhibit A: Hi
Exhibit B: hi
Exhibit B: so like
Exhibit B: i found this cool website
Exhibit B: and it's awesome
Exhibit B: you can do a lot on it
Exhibit B: mind if i send you the link?
Exhibit A: HOLY SHIT SLOW DOWN, STOP LADDERING